u+6-2(-9u-1)=7(u-1)

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Solution for u+6-2(-9u-1)=7(u-1) equation: 



u+6-2(-9u-1)=7(u-1)

We move all terms to the left:

u+6-2(-9u-1)-(7(u-1))=0

We multiply parentheses

u+18u-(7(u-1))+2+6=0



We calculate terms in parentheses: -(7(u-1)), so:

7(u-1)

We multiply parentheses

7u-7

Back to the equation:

-(7u-7)



We add all the numbers together, and all the variables

19u-(7u-7)+8=0

We get rid of parentheses

19u-7u+7+8=0

We add all the numbers together, and all the variables

12u+15=0

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

12u=-15

u=-15/12

u=-1+1/4

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