Question

Ajudem pf!!
a) 7x-1=13

b) 6x=2x+28

c) 5x-2=18+2x

d) 6x-10=2x+14

e) 12x-4=10x+3

(se puderem botar as contas)

Answer 1

7x-1=13
7X=14
X=2
6X=2X +28
4x=28
X=7
5x-2=18 + 2X
3X=20
x=20/3
6x -10=2x+4
4X=14
x=7/2
12x-4=10X+3
2X=7
x=7/2