а) 14x + 18x - 2.3 = 16.932x - 2.3 = 16.932x = 19.2x = 19.2 / 32x = 0.6
б) 20.4 / x + 6.3 = 18.320.4 / x = 18.3 - 6.320.4 / x = 1220.4 = 12xx = 20.4 / 12x = 1.7
Ответ: а) x = 0.6, б) x = 1.7
а) 14x + 18x - 2.3 = 16.9
32x - 2.3 = 16.9
32x = 19.2
x = 19.2 / 32
x = 0.6
б) 20.4 / x + 6.3 = 18.3
20.4 / x = 18.3 - 6.3
20.4 / x = 12
20.4 = 12x
x = 20.4 / 12
x = 1.7
Ответ: а) x = 0.6, б) x = 1.7