3(2x-18)=21

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Solution for 3(2x-18)=21 equation: 



3(2x-18)=21

We move all terms to the left:

3(2x-18)-(21)=0

We multiply parentheses

6x-54-21=0

We add all the numbers together, and all the variables

6x-75=0

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

6x=75

x=75/6

x=12+1/2

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