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-8x=13x-65
We move all terms to the left:
-8x-(13x-65)=0
We get rid of parentheses
-8x-13x+65=0
We add all the numbers together, and all the variables
-21x+65=0
We move all terms containing x to the left, all other terms to the right
-21x=-65
x=-65/-21
x=3+2/21
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