Posted by **Imari** on Wednesday, October 30, 2013 at 10:16pm.

how do I do this problem

3x-3=x-4

- math -
**Marcos**, Wednesday, October 30, 2013 at 10:19pm
you want to get x all by its self.

subtract the x from both sides to give

2x-3=-4

add 3 to both sides

2x=-1

divide by 2 to isolate the x

x = -1/2

- math -
**Imari**, Wednesday, October 30, 2013 at 10:27pm
I still don't understand how you got the 2x?

- math -
**Ms. Sue**, Wednesday, October 30, 2013 at 10:30pm
As he said, he subtracted x from both sides of the equation.

3x - x = 2x

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