23=3-2u

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Solution for 23=3-2u equation: 



23=3-2u

We move all terms to the left:

23-(3-2u)=0

We add all the numbers together, and all the variables

-(-2u+3)+23=0

We get rid of parentheses

2u-3+23=0

We add all the numbers together, and all the variables

2u+20=0

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

2u=-20

u=-20/2

u=-10

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