Question

Решите, плиис
Буду благодарен

Answer 1

$\displaystyle \tt \frac{x}{2}:5+\frac{x}{2}+x=192 \ \ \ \ \ \ | \ \ \cdot10\\\\x+5x+10x=1920\\\\16x=1920\\\\x=120$

Answer 2

$\frac{x}{2}:5+\frac{x}{2}+x=192\\\\\frac{x}{10}+\frac{x}{2}+x=192\\\\\frac{x+5x+10x}{10}=192\\\\\frac{16x}{10}=192\\\\16x=1920\\\\x=120$