3(u-3)-7u=23

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Solution for 3(u-3)-7u=23 equation: 



3(u-3)-7u=23

We move all terms to the left:

3(u-3)-7u-(23)=0

We add all the numbers together, and all the variables

-7u+3(u-3)-23=0

We multiply parentheses

-7u+3u-9-23=0

We add all the numbers together, and all the variables

-4u-32=0

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

-4u=32

u=32/-4

u=-8

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