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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1u-4(-4u+7)-(3(u-3)-9)=0

We multiply parentheses

-1u+16u-(3(u-3)-9)-28=0



We calculate terms in parentheses: -(3(u-3)-9), so:

3(u-3)-9

We multiply parentheses

3u-9-9

We add all the numbers together, and all the variables

3u-18

Back to the equation:

-(3u-18)



We add all the numbers together, and all the variables

15u-(3u-18)-28=0

We get rid of parentheses

15u-3u+18-28=0

We add all the numbers together, and all the variables

12u-10=0

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

12u=10

u=10/12

u=5/6

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