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55=9(x+3)
We move all terms to the left:
55-(9(x+3))=0
We calculate terms in parentheses: -(9(x+3)), so:We get rid of parentheses
9(x+3)
We multiply parentheses
9x+27
Back to the equation:
-(9x+27)
-9x-27+55=0
We add all the numbers together, and all the variables
-9x+28=0
We move all terms containing x to the left, all other terms to the right
-9x=-28
x=-28/-9
x=3+1/9
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