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272=-x+80
We move all terms to the left:
272-(-x+80)=0
We add all the numbers together, and all the variables
-(-1x+80)+272=0
We get rid of parentheses
1x-80+272=0
We add all the numbers together, and all the variables
x+192=0
We move all terms containing x to the left, all other terms to the right
x=-192
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