Solve the rational equation: 5x/x+2 = 3x/x+1

Question

Solve the rational equation:
5x/x+2 = 3x/x+1

in progress 0
Sigridomena 6 months 2021-07-20T05:21:55+00:00 1 Answers 20 views 0

Answers ( )

    0
    2021-07-20T05:23:20+00:00

    Answer:

    x = 1/2

    Explanation:

    5x/x + 2 = 3x/x + 1

    do cross multiplication

    (x + 2) * 3x = (x + 1) * 5x

    3x^2 + 6x = 5x^2 + 5x

    6x – 5x = 5x^2 – 3x^2

    x = 2x^2

    x/x^2 = 2

    1/x = 2

    1 = 2x

    1/2 = x

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )