u+55=3u-5

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Solution for u+55=3u-5 equation: 



u+55=3u-5

We move all terms to the left:

u+55-(3u-5)=0

We get rid of parentheses

u-3u+5+55=0

We add all the numbers together, and all the variables

-2u+60=0

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

-2u=-60

u=-60/-2

u=+30

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