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90=3(5m-28)
We move all terms to the left:
90-(3(5m-28))=0
We calculate terms in parentheses: -(3(5m-28)), so:We get rid of parentheses
3(5m-28)
We multiply parentheses
15m-84
Back to the equation:
-(15m-84)
-15m+84+90=0
We add all the numbers together, and all the variables
-15m+174=0
We move all terms containing m to the left, all other terms to the right
-15m=-174
m=-174/-15
m=11+3/5
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