3u-45=-3(u-1)

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Solution for 3u-45=-3(u-1) equation: 



3u-45=-3(u-1)

We move all terms to the left:

3u-45-(-3(u-1))=0



We calculate terms in parentheses: -(-3(u-1)), so:

-3(u-1)

We multiply parentheses

-3u+3

Back to the equation:

-(-3u+3)



We get rid of parentheses

3u+3u-3-45=0

We add all the numbers together, and all the variables

6u-48=0

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

6u=48

u=48/6

u=8

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