Question

решите уравнение:7/10x-10 1/2=15 2/5

Answer 1

Ответ:

$\frac{7}{10} x = 15 \frac{2}{5} + 10 \frac{1}{2}$

$\frac{7}{10} x = 15 \frac{4}{10} + 10 \frac{5}{10}$

$\frac{7}{10} x = 25 \frac{9}{10}$

$x = 25 \frac{1}{5}$