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

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



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

We move all terms to the left:

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

We multiply parentheses

6u-(-7(-3u+8)-u)-42-7=0



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

-7(-3u+8)-u

We add all the numbers together, and all the variables

-1u-7(-3u+8)

We multiply parentheses

-1u+21u-56

We add all the numbers together, and all the variables

20u-56

Back to the equation:

-(20u-56)



We add all the numbers together, and all the variables

6u-(20u-56)-49=0

We get rid of parentheses

6u-20u+56-49=0

We add all the numbers together, and all the variables

-14u+7=0

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

-14u=-7

u=-7/-14

u=1/2

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