Question

não estou entendendo ,12x-5(4x+2)=6x+2

Answer 1

12x-5(4x+2)=6x+2
12x-20x-10=6x+2
-20x+12x-6x=+10+2
-14x=12.(-1)
x=-12/14
x=6/7

Answer 2

12x-20x-10=6x+2
-8x-10=6x+2
-8x-6x=2+10
-14x=12 •(-1)
14x=-12
x=-12/14
ai vc simplifica....
x=-6/7