9+7u=5-2u

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Solution for 9+7u=5-2u equation: 



9+7u=5-2u

We move all terms to the left:

9+7u-(5-2u)=0

We add all the numbers together, and all the variables

7u-(-2u+5)+9=0

We get rid of parentheses

7u+2u-5+9=0

We add all the numbers together, and all the variables

9u+4=0

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

9u=-4

u=-4/9

u=-4/9

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