-3u+13=4(u+5)

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Solution for -3u+13=4(u+5) equation: 



-3u+13=4(u+5)

We move all terms to the left:

-3u+13-(4(u+5))=0



We calculate terms in parentheses: -(4(u+5)), so:

4(u+5)

We multiply parentheses

4u+20

Back to the equation:

-(4u+20)



We get rid of parentheses

-3u-4u-20+13=0

We add all the numbers together, and all the variables

-7u-7=0

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

-7u=7

u=7/-7

u=-1

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