87=(x+7)

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Solution for 87=(x+7) equation:



87=(x+7)
We move all terms to the left:
87-((x+7))=0
We calculate terms in parentheses: -((x+7)), so:
(x+7)
We get rid of parentheses
x+7
Back to the equation:
-(x+7)
We get rid of parentheses
-x-7+87=0
We add all the numbers together, and all the variables
-1x+80=0
We move all terms containing x to the left, all other terms to the right
-x=-80
x=-80/-1
x=+80

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