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

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Solution for -3(-7u+9)-u=6(u-4)-1 equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-1u+21u-(6(u-4)-1)-27=0



We calculate terms in parentheses: -(6(u-4)-1), so:

6(u-4)-1

We multiply parentheses

6u-24-1

We add all the numbers together, and all the variables

6u-25

Back to the equation:

-(6u-25)



We add all the numbers together, and all the variables

20u-(6u-25)-27=0

We get rid of parentheses

20u-6u+25-27=0

We add all the numbers together, and all the variables

14u-2=0

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

14u=2

u=2/14

u=1/7

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