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81=(4x+3)
We move all terms to the left:
81-((4x+3))=0
We calculate terms in parentheses: -((4x+3)), so:We get rid of parentheses
(4x+3)
We get rid of parentheses
4x+3
Back to the equation:
-(4x+3)
-4x-3+81=0
We add all the numbers together, and all the variables
-4x+78=0
We move all terms containing x to the left, all other terms to the right
-4x=-78
x=-78/-4
x=19+1/2
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