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

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



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

We move all terms to the left:

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



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

-7u+2(u+7)

We multiply parentheses

-7u+2u+14

We add all the numbers together, and all the variables

-5u+14

Back to the equation:

-(-5u+14)



We get rid of parentheses

5u-14-6=0

We add all the numbers together, and all the variables

5u-20=0

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

5u=20

u=20/5

u=4

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