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-7-2x=-13+4x
We move all terms to the left:
-7-2x-(-13+4x)=0
We add all the numbers together, and all the variables
-2x-(4x-13)-7=0
We get rid of parentheses
-2x-4x+13-7=0
We add all the numbers together, and all the variables
-6x+6=0
We move all terms containing x to the left, all other terms to the right
-6x=-6
x=-6/-6
x=1
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