Reduza os termos semelhantes nas seguintes expressões algébricas:
11) 4x – ( -3X + 9 – 2X) =
12) 3x – (-2x + 5) – 8x + 9 =
13) 4x – 3 + (2x + 1) =
14) (x + y) – (x + 2y) =
15) ( 3x – 2y) + (7x + y) =
16) –(8a + 4 – ( 3a + 2) =
17) 5a + (3a -2) – (10a – 8) =
18) 6x + (5x -7) – (20 + 3x ) =
19) (x + y + z) + x – (3y + z) =
20) (m + 2n ) – ( r – 2n) – ( n+ r) =
21) – (6y + 4x ) + ( 3y – 4x ) – (-2x + 3y) =
22) 6x² - [ 4x² + (3x – 5) + x] =
23) 3X + { 2Y – [ 5X – (Y + X)]} =
24) – 3x + [ x² - ( 4x² - x ) + 5x] =
25) Xy – [ 2x + (3xy – 4x ) + 7x] =
26) 8a – [ ( a + 2m) – ( 3a – 3m)] =
11) 4x – ( -3X + 9 – 2X) =
12) 3x – (-2x + 5) – 8x + 9 =
13) 4x – 3 + (2x + 1) =
14) (x + y) – (x + 2y) =
15) ( 3x – 2y) + (7x + y) =
16) –(8a + 4 – ( 3a + 2) =
17) 5a + (3a -2) – (10a – 8) =
18) 6x + (5x -7) – (20 + 3x ) =
19) (x + y + z) + x – (3y + z) =
20) (m + 2n ) – ( r – 2n) – ( n+ r) =
21) – (6y + 4x ) + ( 3y – 4x ) – (-2x + 3y) =
22) 6x² - [ 4x² + (3x – 5) + x] =
23) 3X + { 2Y – [ 5X – (Y + X)]} =
24) – 3x + [ x² - ( 4x² - x ) + 5x] =
25) Xy – [ 2x + (3xy – 4x ) + 7x] =
26) 8a – [ ( a + 2m) – ( 3a – 3m)] =
More Questions From This User See All
Lista de comentários
Reduza os termos semelhantes nas seguintes expressões algébricas:
11) 4x – ( -3X + 9 – 2X)
= 4x + 3x - 9 + 2x
= 9x - 9
___________
12) 3x – (-2x + 5) – 8x + 9
= 3x + 2x - 5 - 8x + 9
= - 3x + 4
____________
13)
4x – 3 + (2x + 1)
= 4x + 2x - 3 + 1
= 6x - 2
___________
14)
(x + y) – (x + 2y)
= x - x + y - 2y
= - y
___________
15)
( 3x – 2y) + (7x + y)
= 3x + 7x - 2y + y
= 10x - y
_____________
16)
–(8a + 4) – ( 3a + 2)
= - 8a - 4 - 3a - 2
= - 11a - 6
_________________
17) 5a + (3a -2) – (10a – 8)
= 5a + 3a - 2 - 10a + 8
= - 2a + 6
_________
18) 6x + (5x -7) – (20 + 3x )
= 6x + 5x - 7 - 20 - 3x
= 8x - 27
_________
19) (x + y + z) + x – (3y + z)
= x + y + z + x - 3y - z
= 2x - 2y
__________
20) (m + 2n ) – ( r – 2n) – ( n+ r)
= m + 2n - r + 2n - n - r
= m + 3n - 2r
______________
21)
– (6y+4x)+( 3y - 4x ) - (-2x + 3y)
= - 6y - 4x + 3y - 4x + 2x - 3y
= - 6y - 6x
_____________
22) 6x² - [ 4x² + (3x – 5) + x]
= 6x^2 - [4x^2 + 3x - 5 + x]
= 6x^2 - 4x^2 - 3x + 5 - x
= 2x^2 - 4x + 5
_____________
23) 3X + { 2Y – [ 5X – (Y + X)]}
= 3x + {2y - [ 5x - y - x]}
= 3x + {2y - 5x + y + x}
= 3x + 3y - 4x
= - x + 3y
__________
24) – 3x + [ x² - ( 4x² - x ) + 5x]
= - 3x + [ x^2 - 4x^2 + x + 5x]
= - 3x + [ - 3x^2 + 6x]
= - 3x - 3x^2 + 6x
= - 3x^2 + 3x
_______________
25) Xy – [ 2x + (3xy – 4x ) + 7x]
= xy - [ 2x + 3xy - 4x+ 7x]
= xy - [ 5x + 3xy]
= xy - 5x - 3xy
= - 2xy - 5x
__________
26) 8a – [ ( a + 2m) – ( 3a – 3m)] = 8a - [ a+ 2m - 3a + 3m]
= 8a - [ - 2a + 5m]
= 8a + 2a - 5m
= 10a - 5m
_______________
11)9x-9
12)-3x+4
13)-6x-2
14)-y
15)10x-y
16)-5a-2
17)-2a+6
18)8x-27
19)2x-2y
20)4n-2r
21)-6y-6x
22)2x^2-4x+5
23)-y+3y
24)3x-3x^2
25)-2xy-5x
26)10a-5n
Explicação passo a passo
11)4x-(-3x+9-2x)=
4x-(-3x+9-2x)
-3x-2x
(-3-2)x
-5x
4x-(-3x+9-2x)
4x-(-5x+9)
4x+5x-9
4x+5x
(4+5)x
9x
4x+5x-9
9x-9
Resposta
9x-9
12)3x-(-2x+5)-8x+9=
3x-(-2x+5)-8x+9
3x+2x-5-8x+9
3x+2x-8x
(3+2-8)x
-3x
3x+2x-5-8x+9
-3x-5+9
3x+2x-5-8x+9
-5x+9
+(9-5)
4
3x+2x-5-8x+9
-3x+4
Resposta
-3x+4
13)4x-3+(2x+1)=
4x-3+(2x+1)
4x-3+2x+1
4x+2x
(4+2)x
6x
4x-3+2x+1
6x-3+1
4x-3+2x+1
-3+1
-(3-1)
-2
4x-3+2x+1
6x-2
Resposta
6x-2
14)(x+y)-(x+2y)=
(x+y)-(x+2y)
x+y-(x+2y)
(x+y)-(x+2y)
x+y-x-2y
y-2y
x+y-x-2y
y-2y
1y-2y
(1-2)y
-1y
-y
x+y-x2y
-y
Resposta
15)(3x-2y)+(7x+y)=
(3x-2y)+(7x+y)
3x-2y+(7x+y)
(3x-2y)+(7x+y)
3x-2y+7x+y
x+7x
(3+7)x
10x
3x-2y+7x+y
10x-2y+y
3x-2y+7x+y
-2y+y
-2y+1y
(-2+1)y
-1y
-1y
3x-2y+7x+y
10x-y
resposta
10x-y
16)-(8a+4-(3a+2)=
-(8a+5-(3a+2)
-(8a+4-3a-2)
8a-3a
(8-3)a
5a
-(8a+4-3a-2)
-(5a+2)
-5a-2
Resposta
-5a-2
17)5a+(3a-2)-(10a-8)=
5a+(3a-2)-(10a-8)
5a+3a-2-2(10a-8)
5a+(3a-2)-(10a-8)
5a+3a-2-10a+8
5a+3a-10a
(5+3-10)a
-2a
5a+3a-2-10a+8
-2a-2+8
5a+3a-2-10a+8
-2+8
+(8-2)
6
5a+3a-2-10a+8
-2a+6
Resposta
-2a+6
18)6x+(5x-7)-(20+3x)=
6x+(5x-7)-(20+3x)
6x+5x-7-(20+3x)
6x+(5x-7)-(20+3x)
6x+5x-7-20-3x
6x+5x-3x
(6+5-3)x
8x
6x
6x+5x-7-20-3x
8x-7-20
6x+5x-7-20-3x
-7-20
-(7+20)
-27
6x+5x-7-20-3x
8x-27
Resposta
8x-27
19)(x-y+z)+x-(3y+z)=
(x-y+z)+x-(3y+z)
x+y+z+x-(3y+z)
(x+y+z)+x-(3y+z)
x+y+z+x-3y-z
x+y+x-3y
x+y+z+x-3y-z
x+x
1x+x
x+x
1x+1x
(1+1)x
2x
x+y+z+x-3y-z
2x+y-3y
x+y+z+x-3y-z
y-3y
1y-3y
(1-3)y
-2y
x+ý+z+x-3y-z
2x-2y
Resposta
2x-2y
20)(m+2n)-(r-2n)-(n+r)
(m+2n)-(r-2n)-(n+r)
m+2n(-r-2n)-(m+r)
(m+2n)-(r-2n)-(n+r)
m+2-(r-2n)-m-r
2n-(r-2n)-r
m+2n-(r-2n)- m-r
2n-r+2n-r
2n+2n
(2+2)n
4n
2n-r+2n-r
4n-r-r
2n-r+2n-r
-r-r
-1r-r
-^r-r
-1r-1r
(-1-1)r
-2r
2n-r+2n-r
4n-2r
Resposta
4n-2r
21)-(6y+4x)+(3y-4x)-(-2x+3y)=
-(6y+4x)+(3y-4x)-(-2x+3y)
-(6y+4x)+3y-4x-(-2x+3y)
-(6y+4x)+(3y-4y)-(-2x+3y)
-(6y+4x)+3y-4x+2x-3y
-(6y+4x)-4x+2x
-(6y+4x)+3y-4x+2x-3y
-6y-4x-4x+2x
-4x-4x+2x
(-4-4+2)x
-6x
-6y-4x-4x+2x
-6y-6x
resposta
-6y-6x
22)6x^2-(4x^2+(3x-5)+x)=
6x^2-(4x^2+(3x-5)+x)
6x^2-(4x^2+3x-5+x)
3x+x
3x+1x
(3+1)x
4x
6x^2-(4x^2+3x-5+x)
6x^2-(4x^2+4x-5)
6x^2-4x^2-4x+5
6x^2-4x^2
(6-4)x^2
2x^2
6x^2-4x^2-4x+5
2x^2-4x+5
Resposta
2x^2-4x+5
23)3x+(2y-(5x-(y+x))=
3x+(2y-(5x-(y+x))
3x+(2y-(5x-y-x))
5x-x
5x-1x
(5-1)x
4x
3x+(2y-(5x-y-x))
3x+(2y-(4x-y))
3x+(2y-4x+y)
2y+y
2y+1y
(2+1)y
3y
3x+(2y-4x+y)
3x+(3y-4x)
3x+3y-4x
3x-4x
(3-4)x
-1x
-x
3x+3y-4x
-x+3y
resposta
-y+3y
24)-3x(x^2-(4x^2-x)+5x)=
-3x(x^2-(4x^2-x)+5x)
-3x+(x^2-4x^2+x+5x)
x2-4x^2
1x^2-4x^2
(1-4)x^2
-3x^2
-3x+(x^2-4x^2+x^2+x+5x)
-3x+(-3x^2+x+5x)
-3x+(x^2-4x^2+x+5x)
x+5x
1x+5x
(1+5)x
6x
-3x+(x^2-4x^2+x+5x)
-3x+(-3x^2+6x)
-3x-3x^2+6x
-3x+6x
(-3+6)x
3x
-3x-3x^2+6x
3x-3x^2
Resposta
3x-3x^2
25)xy-(2x+(2xy-4x)+7x)=
xy-(2xy+(2xy-4x)+7x)
xy-(2x+3xy-4x+7x)
2x-4x+7x
(2-4+7)x
5x
xy-(2x+3xy-4x+7x)
xy-(5x+3xy)
xy-5x-3xy
xy-3xy
1xy-3xy
(1-3)xy
-2xy
xy-5x-3xy
-2xy-5x
Resposta
-2xy-5x
26)8a-((a+2m)-(3a-3m))=
8a-(a+2m)-(3a-3m))
8a(a+2m-(3a-3m))
8a-((a+2m)-(3a-3m))
8a-(a+2m-3a+3m)
a-3a
1a-3a
(1-3)a
-2a
8a-(a+2m-3a+3m)
8a(-2a+2m+3m)
8a-(a+2m-3a+3m)
2m+3m
(2+3)m
5m
8a(a+2m-3a+3m)
8a-(-2a+5m)
8a+2a-5m
8a+2a
(8+2)a
10a
8a+2a-5m
10a-5m
resposta
10a-5m