8=-6u+4(u+7)

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Solution for 8=-6u+4(u+7) equation: 



8=-6u+4(u+7)

We move all terms to the left:

8-(-6u+4(u+7))=0



We calculate terms in parentheses: -(-6u+4(u+7)), so:

-6u+4(u+7)

We multiply parentheses

-6u+4u+28

We add all the numbers together, and all the variables

-2u+28

Back to the equation:

-(-2u+28)



We get rid of parentheses

2u-28+8=0

We add all the numbers together, and all the variables

2u-20=0

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

2u=20

u=20/2

u=10

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