-13+7m=4+8(-7-4m)

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Solution for -13+7m=4+8(-7-4m) equation: 



-13+7m=4+8(-7-4m)

We move all terms to the left:

-13+7m-(4+8(-7-4m))=0

We add all the numbers together, and all the variables

7m-(4+8(-4m-7))-13=0



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

4+8(-4m-7)

determiningTheFunctionDomain
8(-4m-7)+4

We multiply parentheses

-32m-56+4

We add all the numbers together, and all the variables

-32m-52

Back to the equation:

-(-32m-52)



We get rid of parentheses

7m+32m+52-13=0

We add all the numbers together, and all the variables

39m+39=0

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

39m=-39

m=-39/39

m=-1

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