Помогите решить пж
421. Решите уравнение:
1) (x - 16) 9 = 126;
2) 28 (x + 5) = 224;
3) (x + 76): 7 = 15;

422 Решите уравнение:
1) (12m - 5m) · 4 = 252;
2) (4n + 3n) · 11 = 154;
3) 45 : (4m - m) = 3; ​
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