-2(u-78)=56

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Solution for -2(u-78)=56 equation: 



-2(u-78)=56

We move all terms to the left:

-2(u-78)-(56)=0

We multiply parentheses

-2u+156-56=0

We add all the numbers together, and all the variables

-2u+100=0

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

-2u=-100

u=-100/-2

u=+50

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