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

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



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

We move all terms to the left:

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



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

-5(x-7)

We multiply parentheses

-5x+35

Back to the equation:

-(-5x+35)



We get rid of parentheses

-7x+5x-35+31=0

We add all the numbers together, and all the variables

-2x-4=0

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

-2x=4

x=4/-2

x=-2

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