3u-15=5(u+1)

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Solution for 3u-15=5(u+1) equation: 



3u-15=5(u+1)

We move all terms to the left:

3u-15-(5(u+1))=0



We calculate terms in parentheses: -(5(u+1)), so:

5(u+1)

We multiply parentheses

5u+5

Back to the equation:

-(5u+5)



We get rid of parentheses

3u-5u-5-15=0

We add all the numbers together, and all the variables

-2u-20=0

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

-2u=20

u=20/-2

u=-10

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