-3(-9+8)-7u=2(u-9)-3

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Solution for -3(-9+8)-7u=2(u-9)-3 equation: 



-3(-9+8)-7u=2(u-9)-3

We move all terms to the left:

-3(-9+8)-7u-(2(u-9)-3)=0

We add all the numbers together, and all the variables

-7u-(2(u-9)-3)-3(-1)=0

We add all the numbers together, and all the variables

-7u-(2(u-9)-3)+3=0



We calculate terms in parentheses: -(2(u-9)-3), so:

2(u-9)-3

We multiply parentheses

2u-18-3

We add all the numbers together, and all the variables

2u-21

Back to the equation:

-(2u-21)



We get rid of parentheses

-7u-2u+21+3=0

We add all the numbers together, and all the variables

-9u+24=0

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

-9u=-24

u=-24/-9

u=2+2/3

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