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-3x-6x+4=8x-30
We move all terms to the left:
-3x-6x+4-(8x-30)=0
We add all the numbers together, and all the variables
-9x-(8x-30)+4=0
We get rid of parentheses
-9x-8x+30+4=0
We add all the numbers together, and all the variables
-17x+34=0
We move all terms containing x to the left, all other terms to the right
-17x=-34
x=-34/-17
x=+2
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