-3(u-6)=9u-42

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Solution for -3(u-6)=9u-42 equation: 



-3(u-6)=9u-42

We move all terms to the left:

-3(u-6)-(9u-42)=0

We multiply parentheses

-3u-(9u-42)+18=0

We get rid of parentheses

-3u-9u+42+18=0

We add all the numbers together, and all the variables

-12u+60=0

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

-12u=-60

u=-60/-12

u=+5

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