3(4x-2)+3=21

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Solution for 3(4x-2)+3=21 equation: 



3(4x-2)+3=21

We move all terms to the left:

3(4x-2)+3-(21)=0

We add all the numbers together, and all the variables

3(4x-2)-18=0

We multiply parentheses

12x-6-18=0

We add all the numbers together, and all the variables

12x-24=0

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

12x=24

x=24/12

x=2

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