9u-15=6(u-1)

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Solution for 9u-15=6(u-1) equation: 



9u-15=6(u-1)

We move all terms to the left:

9u-15-(6(u-1))=0



We calculate terms in parentheses: -(6(u-1)), so:

6(u-1)

We multiply parentheses

6u-6

Back to the equation:

-(6u-6)



We get rid of parentheses

9u-6u+6-15=0

We add all the numbers together, and all the variables

3u-9=0

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

3u=9

u=9/3

u=3

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