If R is the midpoint of QS , find QS (QR = x+7and RS =2x-10) help please

Question

If R is the midpoint of QS , find QS (QR = x+7and RS =2x-10)
help please

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Nho 5 months 2021-08-29T20:11:42+00:00 1 Answers 2 views 0

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    2021-08-29T20:12:59+00:00

    2x-10=x-7
    -x
    x-10=-7
    +10
    x=3

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