9(u-2)=6u-21

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Solution for 9(u-2)=6u-21 equation: 



9(u-2)=6u-21

We move all terms to the left:

9(u-2)-(6u-21)=0

We multiply parentheses

9u-(6u-21)-18=0

We get rid of parentheses

9u-6u+21-18=0

We add all the numbers together, and all the variables

3u+3=0

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

3u=-3

u=-3/3

u=-1

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