Question

Y:542=2
153-x*2=31,2
Решите уравнение

Answer 1

Ответ:

$y \div 542 = 2 \\ y = 542 \times 2 \\ y = 1084 \\ \\ 153 - 2x = 31.2 \\ - 2x = 31.2 - 153 \\ - 2x = - 121.8 \\ x = \frac{ - 2}{ - 121.8} \\ x = \frac{609}{10} \\ x = 60 \frac{9}{10} \\ x = 60.9$