3(u-1)-7=-2(-7u+7)-5u

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Solution for 3(u-1)-7=-2(-7u+7)-5u equation: 



3(u-1)-7=-2(-7u+7)-5u

We move all terms to the left:

3(u-1)-7-(-2(-7u+7)-5u)=0

We multiply parentheses

3u-(-2(-7u+7)-5u)-3-7=0



We calculate terms in parentheses: -(-2(-7u+7)-5u), so:

-2(-7u+7)-5u

We add all the numbers together, and all the variables

-5u-2(-7u+7)

We multiply parentheses

-5u+14u-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)-10=0

We get rid of parentheses

3u-9u+14-10=0

We add all the numbers together, and all the variables

-6u+4=0

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

-6u=-4

u=-4/-6

u=2/3

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