algebra

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20+2x/5-x For what value of x is the rational expression below equal to zero?

  • algebra -

    (20+2x)/(5-x) = 2
    20+2x = 2(5-x)
    20+2x = 10 - 2x
    4x = -10
    x = -5/2

  • algebra -

    n the following expression, n is a rational number:

    Which expression below is equivalent to this expression?
    A.
    B.
    C.
    D.

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