posted by Imari on .
how do I do this problem
you want to get x all by its self.
subtract the x from both sides to give
add 3 to both sides
divide by 2 to isolate the x
x = -1/2
I still don't understand how you got the 2x?
As he said, he subtracted x from both sides of the equation.
3x - x = 2x