2*x+3*x=+x+12

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



2x+3x=+x+12

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

5x-(x+12)=0

We get rid of parentheses

5x-x-12=0

We add all the numbers together, and all the variables

4x-12=0

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

4x=12

x=12/4

x=3

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