7+2x=12x-7x-2

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



7+2x=12x-7x-2

We move all terms to the left:

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

We add all the numbers together, and all the variables

2x-(5x-2)+7=0

We get rid of parentheses

2x-5x+2+7=0

We add all the numbers together, and all the variables

-3x+9=0

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

-3x=-9

x=-9/-3

x=+3

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