Решите пожалуйста
8989:(х+78)=101
(х-18)-253=246
(х+18)-13=42
244:х=61
х*12=84
952-х=784
а-345=639
8989:(х+78)=101
(х-18)-253=246
(х+18)-13=42
244:х=61
х*12=84
952-х=784
а-345=639
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8989 : (х + 78) = 101 (х - 18) - 253 = 246х + 78 = 8989 : 101 х - 18 = 246 + 253
х + 78 = 89 х - 18 = 499
х = 89 - 78 х = 499 + 18
х = 11 х = 517
(х + 18) - 13 = 42 244 : х = 61
х + 18 = 42 + 13 х = 244 : 61
х + 18 = 55 х = 4
х = 55 - 18
х = 37
х * 12 = 84 952 - х = 784
х = 84 : 12 х = 952 - 784
х = 7 х = 168
а - 345 = 639
а = 639 + 345
а = 984