Jenny earned 86 of a possible 138 points on a test. She lost 2 points for each incorrect answer. How many incorrect answers did she have?

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Jenny earned 86 of a possible 138 points on a test. She lost 2 points for each incorrect answer. How many incorrect answers did she have?

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Neala 1 year 2021-09-01T21:42:46+00:00 1 Answers 2 views 0

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    2021-09-01T21:44:28+00:00

    she had 26 wrong answers

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