Evaluate 31-31. 6 O-6 0-9 9

Question

Evaluate 31-31.
6
O-6
0-9
9

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Orla Orla 4 years 2021-08-03T20:25:21+00:00 1 Answers 11 views 0

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    2021-08-03T20:27:06+00:00

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