3x+12x=3+x

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



3x+12x=3+x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

15x-(x+3)=0

We get rid of parentheses

15x-x-3=0

We add all the numbers together, and all the variables

14x-3=0

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

14x=3

x=3/14

x=3/14

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