Ответ:
63:х-2=7 х=7
15-(х+3)=9 х=3
55-у•10=15 у=4
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Ответ:
63:х-2=7 х=7
15-(х+3)=9 х=3
55-у•10=15 у=4
15 - (x + 3) = 9x = 3
55 - y • 10 = 15y = 4