4(u-3)-9=-5(-4u+7)-8u

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Solution for 4(u-3)-9=-5(-4u+7)-8u equation: 



4(u-3)-9=-5(-4u+7)-8u

We move all terms to the left:

4(u-3)-9-(-5(-4u+7)-8u)=0

We multiply parentheses

4u-(-5(-4u+7)-8u)-12-9=0



We calculate terms in parentheses: -(-5(-4u+7)-8u), so:

-5(-4u+7)-8u

We add all the numbers together, and all the variables

-8u-5(-4u+7)

We multiply parentheses

-8u+20u-35

We add all the numbers together, and all the variables

12u-35

Back to the equation:

-(12u-35)



We add all the numbers together, and all the variables

4u-(12u-35)-21=0

We get rid of parentheses

4u-12u+35-21=0

We add all the numbers together, and all the variables

-8u+14=0

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

-8u=-14

u=-14/-8

u=1+3/4

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