-1+7u=-9(-2u+5)

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Solution for -1+7u=-9(-2u+5) equation: 



-1+7u=-9(-2u+5)

We move all terms to the left:

-1+7u-(-9(-2u+5))=0



We calculate terms in parentheses: -(-9(-2u+5)), so:

-9(-2u+5)

We multiply parentheses

18u-45

Back to the equation:

-(18u-45)



We get rid of parentheses

7u-18u+45-1=0

We add all the numbers together, and all the variables

-11u+44=0

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

-11u=-44

u=-44/-11

u=+4

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