3x+12=3x+9+3

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Solution for 3x+12=3x+9+3 equation: 



3x+12=3x+9+3

We move all terms to the left:

3x+12-(3x+9+3)=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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