3u-19=-7(u-3)

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Solution for 3u-19=-7(u-3) equation: 



3u-19=-7(u-3)

We move all terms to the left:

3u-19-(-7(u-3))=0



We calculate terms in parentheses: -(-7(u-3)), so:

-7(u-3)

We multiply parentheses

-7u+21

Back to the equation:

-(-7u+21)



We get rid of parentheses

3u+7u-21-19=0

We add all the numbers together, and all the variables

10u-40=0

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

10u=40

u=40/10

u=4

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