Question

4x-2-6+12=8x-10 alguém saber

Answer 1

4x-2-6+12=8x-10
4x-8x=-10+2+6-12
-4x=-14 multiplica por (-1)
4x=14
x=14/4

4x+10-x+9=9-12x
4x-x+12x=9-9-10
15x=-10
x=-10/15 simplificando  por 5 
x=-2/3

9x-8=x-30
9x-x=-30+8
8x=-22
x=-22/8

36-x+x+28-x=42
-x=42-28-36
-x=-22 multiplica tudo por (-1)
x=22