-30=6u+2(u-7)

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Solution for -30=6u+2(u-7) equation: 



-30=6u+2(u-7)

We move all terms to the left:

-30-(6u+2(u-7))=0



We calculate terms in parentheses: -(6u+2(u-7)), so:

6u+2(u-7)

We multiply parentheses

6u+2u-14

We add all the numbers together, and all the variables

8u-14

Back to the equation:

-(8u-14)



We get rid of parentheses

-8u+14-30=0

We add all the numbers together, and all the variables

-8u-16=0

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

-8u=16

u=16/-8

u=-2

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