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-3x-4+8x=30+4x
We move all terms to the left:
-3x-4+8x-(30+4x)=0
We add all the numbers together, and all the variables
-3x+8x-(4x+30)-4=0
We add all the numbers together, and all the variables
5x-(4x+30)-4=0
We get rid of parentheses
5x-4x-30-4=0
We add all the numbers together, and all the variables
x-34=0
We move all terms containing x to the left, all other terms to the right
x=34
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