Simplify the following expressions: 9. 2m + 4/9 * m

Решение:

1. \[ 2m + \frac{4}{9} m = \left( 2 + \frac{4}{9} \right) m = \left( \frac{18}{9} + \frac{4}{9} \right) m = \frac{18+4}{9} m = \frac{22}{9} m \]

Ответ: \(\frac{22}{9}m\)