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81=11x+11
We move all terms to the left:
81-(11x+11)=0
We get rid of parentheses
-11x-11+81=0
We add all the numbers together, and all the variables
-11x+70=0
We move all terms containing x to the left, all other terms to the right
-11x=-70
x=-70/-11
x=6+4/11
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