-216=1+7(1+8m)

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Solution for -216=1+7(1+8m) equation: 



-216=1+7(1+8m)

We move all terms to the left:

-216-(1+7(1+8m))=0

We add all the numbers together, and all the variables

-(1+7(8m+1))-216=0



We calculate terms in parentheses: -(1+7(8m+1)), so:

1+7(8m+1)

determiningTheFunctionDomain
7(8m+1)+1

We multiply parentheses

56m+7+1

We add all the numbers together, and all the variables

56m+8

Back to the equation:

-(56m+8)



We get rid of parentheses

-56m-8-216=0

We add all the numbers together, and all the variables

-56m-224=0

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

-56m=224

m=224/-56

m=-4

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