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286=201-x
We move all terms to the left:
286-(201-x)=0
We add all the numbers together, and all the variables
-(-1x+201)+286=0
We get rid of parentheses
1x-201+286=0
We add all the numbers together, and all the variables
x+85=0
We move all terms containing x to the left, all other terms to the right
x=-85
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