A) single step Equation 1) X + 7 = 9

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A) single step Equation

1) X + 7 = 9

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Verity 5 years 2021-07-24T06:03:04+00:00 1 Answers 21 views 0

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  1. Helga
    0
    2021-07-24T06:04:42+00:00
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    X=2
    subtract 7 from both sides

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