91=7(8-5x)

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Solution for 91=7(8-5x) equation: 



91=7(8-5x)

We move all terms to the left:

91-(7(8-5x))=0

We add all the numbers together, and all the variables

-(7(-5x+8))+91=0



We calculate terms in parentheses: -(7(-5x+8)), so:

7(-5x+8)

We multiply parentheses

-35x+56

Back to the equation:

-(-35x+56)



We get rid of parentheses

35x-56+91=0

We add all the numbers together, and all the variables

35x+35=0

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

35x=-35

x=-35/35

x=-1

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