-23=4u-7

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Solution for -23=4u-7 equation: 



-23=4u-7

We move all terms to the left:

-23-(4u-7)=0

We get rid of parentheses

-4u+7-23=0

We add all the numbers together, and all the variables

-4u-16=0

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

-4u=16

u=16/-4

u=-4

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