3x-x-9=-7

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Solution for 3x-x-9=-7 equation: 



3x-x-9=-7

We move all terms to the left:

3x-x-9-(-7)=0

We add all the numbers together, and all the variables

2x-2=0

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

2x=2

x=2/2

x=1

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