Revisão de equação de 1°Grau (URGENTE)
01) Resolva as estações envolvendo frações:
A) x/4 - x/6 = 3
B) 3x/4 - x/3 =5
C) x/5 - 1 = 9
D) x/3 - 5 =0
E) x/2 + 3x/5=6
F) x/5 + x/2 = 6
G) 5x - 10 = x + 1/ 2
H) 8x - 1/ 2 - 2x = 3
I) 2 x-1/5 = x + 2/3
J) 5x/2 = x + 2/3
K) x - 3/4 - 2x -1/5 = 5
L) x - 1/2 + x -3/3 = 6
01) Resolva as estações envolvendo frações:
A) x/4 - x/6 = 3
B) 3x/4 - x/3 =5
C) x/5 - 1 = 9
D) x/3 - 5 =0
E) x/2 + 3x/5=6
F) x/5 + x/2 = 6
G) 5x - 10 = x + 1/ 2
H) 8x - 1/ 2 - 2x = 3
I) 2 x-1/5 = x + 2/3
J) 5x/2 = x + 2/3
K) x - 3/4 - 2x -1/5 = 5
L) x - 1/2 + x -3/3 = 6
More Questions From This User See All
Lista de comentários
Resposta:
A) x/4 - x/6 = 3
mmc(4,6)=12
3x-2x=36
x=36
B) 3x/4 - x/3 =5
mmc(4,3)=12
9x/12 - 4x/12 = 5
5x/12 = 5
x=12
C) x/5 - 1 = 9
x/5 = 9+1
x/5 = 10
x=50
D) x/3 - 5 =0
x/3 = 5
x=15
E) x/2 + 3x/5=6
mmc(2,5)=10
5x/10 + 6x/10 = 6
11x/10 = 6
x=60/11
F) x/5 + x/2 = 6
mmc(5,2)=10
2x/10 + 5x/10 = 6
7x/10 = 6
x=60/7
G) 5x - 10 = x + 1/2
5x-x=1/2+10
4x=21/2
x=21/8
H) 8x - 1/2 - 2x = 3
6x=7/2
x=7/12
I) 2 x-1/5 = x + 2/3
6x-1=15+10x
4x=16
x=4
J) 5x/2 = x + 2/3
5x/2 - x = 2/3
3x/2 = 2/3
x=4/9
K) x - 3/4 - 2x -1/5 = 5
-3x=5+5/4+1/5
-3x=126/20
x=-21/4
L) x - 1/2 + x -3/3 = 6
2x-1/2-1=6
2x=7.5
x=15/4