3x-x+2=7x+12

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Solution for 3x-x+2=7x+12 equation: 



3x-x+2=7x+12

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2x-7x-12+2=0

We add all the numbers together, and all the variables

-5x-10=0

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

-5x=10

x=10/-5

x=-2

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