Решите уровнение даю 30 баллов(2 2/5×+ 6 1/2): 1 4/7- 2 4/9= 4 5/9

(2 2/5*х+6 1/2):1 4/7=4 5/9+2 4/9(2 2/5*х+6 1/2):1 4/7=72 2/5*х+6 1/2=7*1 4/72 2/5*х+6=112 2/5*х=11-6 1/2=10 2/2-6 1/22 2/5*х=4 1/2х=4 1/2:2 2/5=9/2:12/5=9/2*5/12=15/8=1 7/8х=1 7/8