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

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



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

We move all terms to the left:

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

We multiply parentheses

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



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

-5(4u-9)+9u

We add all the numbers together, and all the variables

9u-5(4u-9)

We multiply parentheses

9u-20u+45

We add all the numbers together, and all the variables

-11u+45

Back to the equation:

-(-11u+45)



We get rid of parentheses

7u+11u-45+42=0

We add all the numbers together, and all the variables

18u-3=0

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

18u=3

u=3/18

u=1/6

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