132.50=8.50m+2.75(21-m)

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Solution for 132.50=8.50m+2.75(21-m) equation: 



132.50=8.50m+2.75(21-m)

We move all terms to the left:

132.50-(8.50m+2.75(21-m))=0

We add all the numbers together, and all the variables

-(8.50m+2.75(-1m+21))+132.50=0

We add all the numbers together, and all the variables

-(8.50m+2.75(-1m+21))+132.5=0



We calculate terms in parentheses: -(8.50m+2.75(-1m+21)), so:

8.50m+2.75(-1m+21)

We multiply parentheses

8.50m-2.75m+57.75

We add all the numbers together, and all the variables

5.75m+57.75

Back to the equation:

-(5.75m+57.75)



We get rid of parentheses

-5.75m-57.75+132.5=0

We add all the numbers together, and all the variables

-5.75m+74.75=0

We move all terms containing m to the left, all other terms to the right

-5.75m=-74.75

m=-74.75/-5.75

m=+13

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