-7=3u+5

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Solution for -7=3u+5 equation: 



-7=3u+5

We move all terms to the left:

-7-(3u+5)=0

We get rid of parentheses

-3u-5-7=0

We add all the numbers together, and all the variables

-3u-12=0

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

-3u=12

u=12/-3

u=-4

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