3-) resolva as questões abaixo
a) 3.(5+x)=
b)8.(Y+5)=
C)2.(z+x)=
d) 10.10-¹=
e) -6.6=
f) 5.(6+y+3)=
g) 6.(2+x)-6x=
h) 8+2.(x+5)-10=
a) 3.(5+x)=
b)8.(Y+5)=
C)2.(z+x)=
d) 10.10-¹=
e) -6.6=
f) 5.(6+y+3)=
g) 6.(2+x)-6x=
h) 8+2.(x+5)-10=
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a) 3.(5+x)=
15+3x = 0
3x = -15
x = -15/3
x = -5
b)8.(Y+5)=
8y+40 = 0
8y = -40
y = -40/8
y = -5
c)2.(z+x)= 2z+2y
d) 10.10-¹= 10⁰
e) -6.6= Não entendi
f) 5.(6+y+3)=
30+5y+15 = 0
5y = -45
y = -45/5
y = -9
g) 6.(2+x)-6x=
12+6x-6x = 0
0x = -12
x = -12/0
x = 0
h) 8+2.(x+5)-10=
8+2x+40-10 =
2x = 40-8-10
2x = 28
x = 28/2
x = 14
(◕ᴗ◕✿) Prontinho
14/03/23