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66=(x+7)
We move all terms to the left:
66-((x+7))=0
We calculate terms in parentheses: -((x+7)), so:We get rid of parentheses
(x+7)
We get rid of parentheses
x+7
Back to the equation:
-(x+7)
-x-7+66=0
We add all the numbers together, and all the variables
-1x+59=0
We move all terms containing x to the left, all other terms to the right
-x=-59
x=-59/-1
x=+59
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