7(u-3)-1=-5(-2u+8)-7u

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Solution for 7(u-3)-1=-5(-2u+8)-7u equation: 



7(u-3)-1=-5(-2u+8)-7u

We move all terms to the left:

7(u-3)-1-(-5(-2u+8)-7u)=0

We multiply parentheses

7u-(-5(-2u+8)-7u)-21-1=0



We calculate terms in parentheses: -(-5(-2u+8)-7u), so:

-5(-2u+8)-7u

We add all the numbers together, and all the variables

-7u-5(-2u+8)

We multiply parentheses

-7u+10u-40

We add all the numbers together, and all the variables

3u-40

Back to the equation:

-(3u-40)



We add all the numbers together, and all the variables

7u-(3u-40)-22=0

We get rid of parentheses

7u-3u+40-22=0

We add all the numbers together, and all the variables

4u+18=0

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

4u=-18

u=-18/4

u=-4+1/2

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