9x+12-4x=2x+9

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Solution for 9x+12-4x=2x+9 equation: 



9x+12-4x=2x+9

We move all terms to the left:

9x+12-4x-(2x+9)=0

We add all the numbers together, and all the variables

5x-(2x+9)+12=0

We get rid of parentheses

5x-2x-9+12=0

We add all the numbers together, and all the variables

3x+3=0

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

3x=-3

x=-3/3

x=-1

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