3(u-7)-7=-5(-3u+5)-6u

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Solution for 3(u-7)-7=-5(-3u+5)-6u equation: 



3(u-7)-7=-5(-3u+5)-6u

We move all terms to the left:

3(u-7)-7-(-5(-3u+5)-6u)=0

We multiply parentheses

3u-(-5(-3u+5)-6u)-21-7=0



We calculate terms in parentheses: -(-5(-3u+5)-6u), so:

-5(-3u+5)-6u

We add all the numbers together, and all the variables

-6u-5(-3u+5)

We multiply parentheses

-6u+15u-25

We add all the numbers together, and all the variables

9u-25

Back to the equation:

-(9u-25)



We add all the numbers together, and all the variables

3u-(9u-25)-28=0

We get rid of parentheses

3u-9u+25-28=0

We add all the numbers together, and all the variables

-6u-3=0

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

-6u=3

u=3/-6

u=-1/2

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