91=5(x+7)+2x

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Solution for 91=5(x+7)+2x equation: 



91=5(x+7)+2x

We move all terms to the left:

91-(5(x+7)+2x)=0



We calculate terms in parentheses: -(5(x+7)+2x), so:

5(x+7)+2x

We add all the numbers together, and all the variables

2x+5(x+7)

We multiply parentheses

2x+5x+35

We add all the numbers together, and all the variables

7x+35

Back to the equation:

-(7x+35)



We get rid of parentheses

-7x-35+91=0

We add all the numbers together, and all the variables

-7x+56=0

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

-7x=-56

x=-56/-7

x=+8

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