u+9=2u-14

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Solution for u+9=2u-14 equation: 



u+9=2u-14

We move all terms to the left:

u+9-(2u-14)=0

We get rid of parentheses

u-2u+14+9=0

We add all the numbers together, and all the variables

-1u+23=0

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

-u=-23

u=-23/-1

u=+23

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