Math-Fractions

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Solve the proportion. 2/5=x-4/4

  • Math-Fractions -

    2/5 = x-4/4
    2/5 = x-1
    2/5(+1) = x-1(+1)
    2/5(+5/5) = x
    7/5 = x

  • Math-Fractions -

    I have a sneaking suspicion that you meant
    2/5 = (x-4)/4
    since no respectable textbook would write 4/4 in a question.

    if so, then
    5x - 20 = 8
    5x = 28
    x = 28/5

  • Math-Fractions -

    Thank you for your help. I am sorry I couldn't fill it in correctly, but the problem doesn't read 2 divided by 5 equals x-4 divided by 4. They are actually fractions. So it is 2 numerator and 5 denominator. Does this change the answer?

  • Math-Fractions -

    Yes Reiny. Thank you. Sorry I didn't type it in correctly.

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