Question

( 3 3/5 - х ) :1 9/ 13 = 1 23/55 по можуть і ще цей ( × -5 19/28 ) : 1 17/ 28 = 2 13/25

Answer 1

1) -13/22х=-39/55
х= (-39/55)/(-13/22)
х=1 1/5
2) 28/45х= 6 4/75
х=(6 4/75)/(28/45)
х=9 51/70