7+9+3u=6u-5

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Solution for 7+9+3u=6u-5 equation: 



7+9+3u=6u-5

We move all terms to the left:

7+9+3u-(6u-5)=0

We add all the numbers together, and all the variables

3u-(6u-5)+16=0

We get rid of parentheses

3u-6u+5+16=0

We add all the numbers together, and all the variables

-3u+21=0

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

-3u=-21

u=-21/-3

u=+7

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