2x-12+x=3x-12

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Solution for 2x-12+x=3x-12 equation: 



2x-12+x=3x-12

We move all terms to the left:

2x-12+x-(3x-12)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

3x-3x+12-12=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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