Question

Решите уравнение : 12 ÷ x - 0‚2 = 38

Answer 1

12:x-0,2=38

$\frac{12}{x} - \frac{1}{5} = 38 \\ \frac{12}{x} = 38 + \frac{1}{5} \\ \\ \frac{12}{x} = \frac{191}{5} \\ 60 = 191x \\ 191x = 60 \\ x = 60 \div 191 \\ x = 0.31$