Question

a) 9x - 2 = 4x + 18
d) 4x - 18 + 3x = 10
g) 7x + 1 = 5x-7
j) 2.(x + 5)- 4 = 26
m) 3.(x+2) = 2(x-7)
p) 3.(x+3) - 1 = 2
s) 3.(2x - 3) + x = 5
v) 3.(3x +8) -5x = x - 3

Ajudemmm preciso pra hoje ​

Answer 1

Resposta:

9x - 2 = 4x +18

9x - 4x = 18 + 2

5x = 20

x = 20/5

x = 4

verificação

9x -2=4×-18

9×4-2=4×4-18

36-2=16-18

34=-2 ( falso )