3-4m+8=-7(m-5)-(4-8m)

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Solution for 3-4m+8=-7(m-5)-(4-8m) equation: 



3-4m+8=-7(m-5)-(4-8m)

We move all terms to the left:

3-4m+8-(-7(m-5)-(4-8m))=0

We add all the numbers together, and all the variables

-4m-(-7(m-5)-(-8m+4))+3+8=0

We add all the numbers together, and all the variables

-4m-(-7(m-5)-(-8m+4))+11=0



We calculate terms in parentheses: -(-7(m-5)-(-8m+4)), so:

-7(m-5)-(-8m+4)

We multiply parentheses

-7m-(-8m+4)+35

We get rid of parentheses

-7m+8m-4+35

We add all the numbers together, and all the variables

m+31

Back to the equation:

-(m+31)



We get rid of parentheses

-4m-m-31+11=0

We add all the numbers together, and all the variables

-5m-20=0

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

-5m=20

m=20/-5

m=-4

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