7(u+6)=-4(5u-8)+9u

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Solution for 7(u+6)=-4(5u-8)+9u equation: 



7(u+6)=-4(5u-8)+9u

We move all terms to the left:

7(u+6)-(-4(5u-8)+9u)=0

We multiply parentheses

7u-(-4(5u-8)+9u)+42=0



We calculate terms in parentheses: -(-4(5u-8)+9u), so:

-4(5u-8)+9u

We add all the numbers together, and all the variables

9u-4(5u-8)

We multiply parentheses

9u-20u+32

We add all the numbers together, and all the variables

-11u+32

Back to the equation:

-(-11u+32)



We get rid of parentheses

7u+11u-32+42=0

We add all the numbers together, and all the variables

18u+10=0

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

18u=-10

u=-10/18

u=-5/9

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