7(u-7)-7=-5(-6u+8)-9u

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Solution for 7(u-7)-7=-5(-6u+8)-9u equation: 



7(u-7)-7=-5(-6u+8)-9u

We move all terms to the left:

7(u-7)-7-(-5(-6u+8)-9u)=0

We multiply parentheses

7u-(-5(-6u+8)-9u)-49-7=0



We calculate terms in parentheses: -(-5(-6u+8)-9u), so:

-5(-6u+8)-9u

We add all the numbers together, and all the variables

-9u-5(-6u+8)

We multiply parentheses

-9u+30u-40

We add all the numbers together, and all the variables

21u-40

Back to the equation:

-(21u-40)



We add all the numbers together, and all the variables

7u-(21u-40)-56=0

We get rid of parentheses

7u-21u+40-56=0

We add all the numbers together, and all the variables

-14u-16=0

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

-14u=16

u=16/-14

u=-1+1/7

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