3(4x-1)-3(2x-4)=3x-21

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Solution for 3(4x-1)-3(2x-4)=3x-21 equation: 



3(4x-1)-3(2x-4)=3x-21

We move all terms to the left:

3(4x-1)-3(2x-4)-(3x-21)=0

We multiply parentheses

12x-6x-(3x-21)-3+12=0

We get rid of parentheses

12x-6x-3x+21-3+12=0

We add all the numbers together, and all the variables

3x+30=0

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

3x=-30

x=-30/3

x=-10

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