-2u-31=7(u-7)

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Solution for -2u-31=7(u-7) equation: 



-2u-31=7(u-7)

We move all terms to the left:

-2u-31-(7(u-7))=0



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

7(u-7)

We multiply parentheses

7u-49

Back to the equation:

-(7u-49)



We get rid of parentheses

-2u-7u+49-31=0

We add all the numbers together, and all the variables

-9u+18=0

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

-9u=-18

u=-18/-9

u=+2

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