х+10=15, 5, 7, 9, 2, 25, 11, 23+Х=35, 10, 5, 15, 12, 58, 18, Х-9=10, 1, 19, 29, 9, 2, 5, 15-Х=12, 27, 4, 3, 29, 10, 7, Х+40=60, 20, 30, 50, 70, 10, 90, х-8=5, 13, 12, 11, 14, 15, 16.

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