-7+47=-3(u-9)

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Solution for -7+47=-3(u-9) equation: 



-7+47=-3(u-9)

We move all terms to the left:

-7+47-(-3(u-9))=0

We add all the numbers together, and all the variables

-(-3(u-9))+40=0



We calculate terms in parentheses: -(-3(u-9)), so:

-3(u-9)

We multiply parentheses

-3u+27

Back to the equation:

-(-3u+27)



We get rid of parentheses

3u-27+40=0

We add all the numbers together, and all the variables

3u+13=0

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

3u=-13

u=-13/3

u=-4+1/3

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