-2m+5m=4(m+5)-5(m-4)

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Solution for -2m+5m=4(m+5)-5(m-4) equation: 



-2m+5m=4(m+5)-5(m-4)

We move all terms to the left:

-2m+5m-(4(m+5)-5(m-4))=0

We add all the numbers together, and all the variables

3m-(4(m+5)-5(m-4))=0



We calculate terms in parentheses: -(4(m+5)-5(m-4)), so:

4(m+5)-5(m-4)

We multiply parentheses

4m-5m+20+20

We add all the numbers together, and all the variables

-1m+40

Back to the equation:

-(-1m+40)



We get rid of parentheses

3m+1m-40=0

We add all the numbers together, and all the variables

4m-40=0

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

4m=40

m=40/4

m=10

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