Question

3 2/20 - x равно 18 целых 1/8​

Answer 1

$3 \frac{2}{20} - x = 18 \frac{1}{8} \\ \frac{62}{20} - x = \frac{145}{8} \\ \frac{31}{10} - x = \frac{145}{8} \\ - x = \frac{145}{8} - \frac{31}{10} \\ - x = \frac{725 - 124}{40} \\ - x = \frac{601}{40} \\ x = - \frac{601}{40} = - 15 \frac{1}{40} \\ otvet = > - 15 \frac{1}{40}$