Решите уравнение№208
Б)76 - 45 х = 94 х - 341
№211
Б) - 4 (16 + 8 х) + 12 (7 - 3 х) = 50 (х + 3) - (15 - х)
Б)76 - 45 х = 94 х - 341
№211
Б) - 4 (16 + 8 х) + 12 (7 - 3 х) = 50 (х + 3) - (15 - х)
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94 х+45 х=341 + 76
139 х= 417
х=417:139
х=3
- 4 (16 + 8 х) + 12 (7 - 3 х) = 50 (х + 3) - (15 - х)
- 64 - 32 х + 84 - 36 х=50 х + 150 - 15 + х
20 - 68 х = 51 х + 135
68 х +51 х = 20 - 135
119 х=-115
х=-115/119