-213=7+4(1+7x)

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Solution for -213=7+4(1+7x) equation: 



-213=7+4(1+7x)

We move all terms to the left:

-213-(7+4(1+7x))=0

We add all the numbers together, and all the variables

-(7+4(7x+1))-213=0



We calculate terms in parentheses: -(7+4(7x+1)), so:

7+4(7x+1)

determiningTheFunctionDomain
4(7x+1)+7

We multiply parentheses

28x+4+7

We add all the numbers together, and all the variables

28x+11

Back to the equation:

-(28x+11)



We get rid of parentheses

-28x-11-213=0

We add all the numbers together, and all the variables

-28x-224=0

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

-28x=224

x=224/-28

x=-8

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