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(-x+-1)=(221+2x)
We move all terms to the left:
(-x+-1)-((221+2x))=0
We add all the numbers together, and all the variables
(-1x-1)-((2x+221))=0
We get rid of parentheses
-1x-((2x+221))-1=0
We calculate terms in parentheses: -((2x+221)), so:We get rid of parentheses
(2x+221)
We get rid of parentheses
2x+221
Back to the equation:
-(2x+221)
-1x-2x-221-1=0
We add all the numbers together, and all the variables
-3x-222=0
We move all terms containing x to the left, all other terms to the right
-3x=222
x=222/-3
x=-74
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