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(2+x)-8-1=-81
We move all terms to the left:
(2+x)-8-1-(-81)=0
We add all the numbers together, and all the variables
(x+2)-8-1-(-81)=0
We add all the numbers together, and all the variables
(x+2)+72=0
We get rid of parentheses
x+2+72=0
We add all the numbers together, and all the variables
x+74=0
We move all terms containing x to the left, all other terms to the right
x=-74
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