Question

решите уравнение x+3/5x=3 1/5

Answer 1

$x + \frac{3}{5} x = 3 \frac{1}{5} \\ x + 0.6x = 3.2 \\ 1.6x = 3.2 \\ x = 3.2 \div 1.6 \\ x = 2$