4(u+9)=-7(2u-3)+8u

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Solution for 4(u+9)=-7(2u-3)+8u equation: 



4(u+9)=-7(2u-3)+8u

We move all terms to the left:

4(u+9)-(-7(2u-3)+8u)=0

We multiply parentheses

4u-(-7(2u-3)+8u)+36=0



We calculate terms in parentheses: -(-7(2u-3)+8u), so:

-7(2u-3)+8u

We add all the numbers together, and all the variables

8u-7(2u-3)

We multiply parentheses

8u-14u+21

We add all the numbers together, and all the variables

-6u+21

Back to the equation:

-(-6u+21)



We get rid of parentheses

4u+6u-21+36=0

We add all the numbers together, and all the variables

10u+15=0

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

10u=-15

u=-15/10

u=-1+1/2

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