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-3=13x+8
We move all terms to the left:
-3-(13x+8)=0
We get rid of parentheses
-13x-8-3=0
We add all the numbers together, and all the variables
-13x-11=0
We move all terms containing x to the left, all other terms to the right
-13x=11
x=11/-13
x=-11/13
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