-9=-8u+5(u-3)

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Solution for -9=-8u+5(u-3) equation: 



-9=-8u+5(u-3)

We move all terms to the left:

-9-(-8u+5(u-3))=0



We calculate terms in parentheses: -(-8u+5(u-3)), so:

-8u+5(u-3)

We multiply parentheses

-8u+5u-15

We add all the numbers together, and all the variables

-3u-15

Back to the equation:

-(-3u-15)



We get rid of parentheses

3u+15-9=0

We add all the numbers together, and all the variables

3u+6=0

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

3u=-6

u=-6/3

u=-2

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