Question

Решите уравнение 9целых 2/7-(x+2,25)=2целых 2/25

Answer 1

9 2/7-(x+2.25)=2 2/25

x+2.25=9 2/7-2 2/25=1625-364/175=1261/175=7 36/175

x=7 36/175-225/100=144-1575/700=1421/700=2 31/700