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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1u-3(-8u+9)-(7(u-4)-3)=0

We multiply parentheses

-1u+24u-(7(u-4)-3)-27=0



We calculate terms in parentheses: -(7(u-4)-3), so:

7(u-4)-3

We multiply parentheses

7u-28-3

We add all the numbers together, and all the variables

7u-31

Back to the equation:

-(7u-31)



We add all the numbers together, and all the variables

23u-(7u-31)-27=0

We get rid of parentheses

23u-7u+31-27=0

We add all the numbers together, and all the variables

16u+4=0

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

16u=-4

u=-4/16

u=-1/4

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