3(u-7)-3=-7(-3u+6)-8u

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Solution for 3(u-7)-3=-7(-3u+6)-8u equation: 



3(u-7)-3=-7(-3u+6)-8u

We move all terms to the left:

3(u-7)-3-(-7(-3u+6)-8u)=0

We multiply parentheses

3u-(-7(-3u+6)-8u)-21-3=0



We calculate terms in parentheses: -(-7(-3u+6)-8u), so:

-7(-3u+6)-8u

We add all the numbers together, and all the variables

-8u-7(-3u+6)

We multiply parentheses

-8u+21u-42

We add all the numbers together, and all the variables

13u-42

Back to the equation:

-(13u-42)



We add all the numbers together, and all the variables

3u-(13u-42)-24=0

We get rid of parentheses

3u-13u+42-24=0

We add all the numbers together, and all the variables

-10u+18=0

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

-10u=-18

u=-18/-10

u=1+4/5

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