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-231=13x-49
We move all terms to the left:
-231-(13x-49)=0
We get rid of parentheses
-13x+49-231=0
We add all the numbers together, and all the variables
-13x-182=0
We move all terms containing x to the left, all other terms to the right
-13x=182
x=182/-13
x=-14
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