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math

posted by on .

how do I do this problem
3x-3=x-4

  • math - ,

    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 - ,

    I still don't understand how you got the 2x?

  • math - ,

    As he said, he subtracted x from both sides of the equation.
    3x - x = 2x

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