Question

Реши уровнение (8 2/9-х)+3 1/9=9

Answer 1

$(8 \frac{2}{9} - x) + 3 \frac{1}{9} = 9 \\ 8 \frac{2}{9} - x = 5 \frac{8}{9} \\ x =8 \frac{2}{9} - 5 \frac{8}{9} = 2 \frac{1}{3}$