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8.7=3-5m-2.5(5.4-6m)
We move all terms to the left:
8.7-(3-5m-2.5(5.4-6m))=0
We add all the numbers together, and all the variables
-(3-5m-2.5(-6m+5.4))+8.7=0
We calculate terms in parentheses: -(3-5m-2.5(-6m+5.4)), so:We get rid of parentheses
3-5m-2.5(-6m+5.4)
determiningTheFunctionDomain -5m-2.5(-6m+5.4)+3
We multiply parentheses
-5m+15m-13.5+3
We add all the numbers together, and all the variables
10m-10.5
Back to the equation:
-(10m-10.5)
-10m+10.5+8.7=0
We add all the numbers together, and all the variables
-10m+19.2=0
We move all terms containing m to the left, all other terms to the right
-10m=-19.2
m=-19.2/-10
m=1+7.66666666667/8.33333333333
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