31-5x=7(5x-7)

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Solution for 31-5x=7(5x-7) equation: 



31-5x=7(5x-7)

We move all terms to the left:

31-5x-(7(5x-7))=0



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

7(5x-7)

We multiply parentheses

35x-49

Back to the equation:

-(35x-49)



We get rid of parentheses

-5x-35x+49+31=0

We add all the numbers together, and all the variables

-40x+80=0

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

-40x=-80

x=-80/-40

x=+2

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