15=4(m-2)=21

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Solution for 15=4(m-2)=21 equation: 



15=4(m-2)=21

We move all terms to the left:

15-(4(m-2))=0



We calculate terms in parentheses: -(4(m-2)), so:

4(m-2)

We multiply parentheses

4m-8

Back to the equation:

-(4m-8)



We get rid of parentheses

-4m+8+15=0

We add all the numbers together, and all the variables

-4m+23=0

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

-4m=-23

m=-23/-4

m=5+3/4

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