4x+3x-12=2x+3

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Solution for 4x+3x-12=2x+3 equation: 



4x+3x-12=2x+3

We move all terms to the left:

4x+3x-12-(2x+3)=0

We add all the numbers together, and all the variables

7x-(2x+3)-12=0

We get rid of parentheses

7x-2x-3-12=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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