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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(7(u+3)-3), so:

7(u+3)-3

We multiply parentheses

7u+21-3

We add all the numbers together, and all the variables

7u+18

Back to the equation:

-(7u+18)



We get rid of parentheses

9u-7u-18-8=0

We add all the numbers together, and all the variables

2u-26=0

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

2u=26

u=26/2

u=13

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