-78=-6(u+4)

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Solution for -78=-6(u+4) equation: 



-78=-6(u+4)

We move all terms to the left:

-78-(-6(u+4))=0



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

-6(u+4)

We multiply parentheses

-6u-24

Back to the equation:

-(-6u-24)



We get rid of parentheses

6u+24-78=0

We add all the numbers together, and all the variables

6u-54=0

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

6u=54

u=54/6

u=9

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