3(u-7)-1=-2(-9u+7)-9u

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Solution for 3(u-7)-1=-2(-9u+7)-9u equation: 



3(u-7)-1=-2(-9u+7)-9u

We move all terms to the left:

3(u-7)-1-(-2(-9u+7)-9u)=0

We multiply parentheses

3u-(-2(-9u+7)-9u)-21-1=0



We calculate terms in parentheses: -(-2(-9u+7)-9u), so:

-2(-9u+7)-9u

We add all the numbers together, and all the variables

-9u-2(-9u+7)

We multiply parentheses

-9u+18u-14

We add all the numbers together, and all the variables

9u-14

Back to the equation:

-(9u-14)



We add all the numbers together, and all the variables

3u-(9u-14)-22=0

We get rid of parentheses

3u-9u+14-22=0

We add all the numbers together, and all the variables

-6u-8=0

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

-6u=8

u=8/-6

u=-1+1/3

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