Пожалуйста решите )))))
1) (x - 16) * 9 = 126 9x - 144 = 126 9x = 126 + 144 9x = 270 x = 270 : 9 x = 30 2) 28 * (x + 5) = 224 28x + 140 = 224 28x = 224 - 140 28x = 84 x = 84 : 28 x = 3 3) (x + 76) : 7 = 15 x + 76 = 15 * 7 x + 76 = 105 x = 105 - 76 x = 29