-4(3-x)=2(x+6)

-4(3-x) = 2(x+6)

 

Distribute the -4 & 2.

-12 + 4x = 2x + 12

 

Add 12 to both sides and subtract 2x from both sides.

2x = 24

 

Divide by 2.

x = 24/2 = 12.