x+2x+12=3x+9

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Solution for x+2x+12=3x+9 equation: 



x+2x+12=3x+9

We move all terms to the left:

x+2x+12-(3x+9)=0

We add all the numbers together, and all the variables

3x-(3x+9)+12=0

We get rid of parentheses

3x-3x-9+12=0

We add all the numbers together, and all the variables

3!=0

There is no solution for this equation

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