12x-3=3x-30

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Solution for 12x-3=3x-30 equation: 



12x-3=3x-30

We move all terms to the left:

12x-3-(3x-30)=0

We get rid of parentheses

12x-3x+30-3=0

We add all the numbers together, and all the variables

9x+27=0

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

9x=-27

x=-27/9

x=-3

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