4x+2x=12+3x

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



4x+2x=12+3x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

6x-(3x+12)=0

We get rid of parentheses

6x-3x-12=0

We add all the numbers together, and all the variables

3x-12=0

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

3x=12

x=12/3

x=4

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