-22=-7u+3u+9

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Solution for -22=-7u+3u+9 equation: 



-22=-7u+3u+9

We move all terms to the left:

-22-(-7u+3u+9)=0

We add all the numbers together, and all the variables

-(-4u+9)-22=0

We get rid of parentheses

4u-9-22=0

We add all the numbers together, and all the variables

4u-31=0

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

4u=31

u=31/4

u=7+3/4

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