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-2(x-15)=-4
We move all terms to the left:
-2(x-15)-(-4)=0
We add all the numbers together, and all the variables
-2(x-15)+4=0
We multiply parentheses
-2x+30+4=0
We add all the numbers together, and all the variables
-2x+34=0
We move all terms containing x to the left, all other terms to the right
-2x=-34
x=-34/-2
x=+17
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