-97=-3(-5+7x)-7x

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Solution for -97=-3(-5+7x)-7x equation: 



-97=-3(-5+7x)-7x

We move all terms to the left:

-97-(-3(-5+7x)-7x)=0

We add all the numbers together, and all the variables

-(-3(7x-5)-7x)-97=0



We calculate terms in parentheses: -(-3(7x-5)-7x), so:

-3(7x-5)-7x

We add all the numbers together, and all the variables

-7x-3(7x-5)

We multiply parentheses

-7x-21x+15

We add all the numbers together, and all the variables

-28x+15

Back to the equation:

-(-28x+15)



We get rid of parentheses

28x-15-97=0

We add all the numbers together, and all the variables

28x-112=0

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

28x=112

x=112/28

x=4

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