-216=8(1+7x)

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



-216=8(1+7x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

8(7x+1)

We multiply parentheses

56x+8

Back to the equation:

-(56x+8)



We get rid of parentheses

-56x-8-216=0

We add all the numbers together, and all the variables

-56x-224=0

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

-56x=224

x=224/-56

x=-4

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