Answer:
x=8
Explanation:
We move all terms to the left:
3x+4-4-(2x+8)=0
We add all the numbers together, and all the variables
3x-(2x+8)=0
We get rid of parentheses
3x-2x-8=0
We add all the numbers together, and all the variables
x-8=0
We move all terms containing x to the left, all other terms to the right
x=8