-28=2u+-5u

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Solution for -28=2u+-5u equation: 



-28=2u+-5u

We move all terms to the left:

-28-(2u+-5u)=0

We add all the numbers together, and all the variables

-(-3u)-28=0

We get rid of parentheses

3u-28=0

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

3u=28

u=28/3

u=9+1/3

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