Ответ:
7(x − 5) = 63; \(x − 5 = 9\), \(x = 14\).
24(x + 15) = 432; \(x + 15 = 18\), \(x = 3\).
14(3x − 15) = 252; \(3x − 15 = 18\), \(3x = 33\), \(x = 11\).
8(112 − 5x) = 816; \(112 − 5x = 102\), \(5x = 10\), \(x = 2\).
Ответ: 1) x = 14; 2) x = 3; 3) x = 11; 4) x = 2.
