-3(-4u+9)-u=7(u-6)-3

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Solution for -3(-4u+9)-u=7(u-6)-3 equation: 



-3(-4u+9)-u=7(u-6)-3

We move all terms to the left:

-3(-4u+9)-u-(7(u-6)-3)=0

We add all the numbers together, and all the variables

-1u-3(-4u+9)-(7(u-6)-3)=0

We multiply parentheses

-1u+12u-(7(u-6)-3)-27=0



We calculate terms in parentheses: -(7(u-6)-3), so:

7(u-6)-3

We multiply parentheses

7u-42-3

We add all the numbers together, and all the variables

7u-45

Back to the equation:

-(7u-45)



We add all the numbers together, and all the variables

11u-(7u-45)-27=0

We get rid of parentheses

11u-7u+45-27=0

We add all the numbers together, and all the variables

4u+18=0

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

4u=-18

u=-18/4

u=-4+1/2

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