U3=3n-5

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Solution for U3=3n-5 equation: 



3=3U-5

We move all terms to the left:

3-(3U-5)=0

We get rid of parentheses

-3U+5+3=0

We add all the numbers together, and all the variables

-3U+8=0

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

-3U=-8

U=-8/-3

U=2+2/3

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