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

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



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

We move all terms to the left:

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

We multiply parentheses

3u-(-4(-7u+9)-9u)-24-4=0



We calculate terms in parentheses: -(-4(-7u+9)-9u), so:

-4(-7u+9)-9u

We add all the numbers together, and all the variables

-9u-4(-7u+9)

We multiply parentheses

-9u+28u-36

We add all the numbers together, and all the variables

19u-36

Back to the equation:

-(19u-36)



We add all the numbers together, and all the variables

3u-(19u-36)-28=0

We get rid of parentheses

3u-19u+36-28=0

We add all the numbers together, and all the variables

-16u+8=0

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

-16u=-8

u=-8/-16

u=1/2

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