Question

Реши уравнения
7,1/4х-Х=9,3/8
1:2,7/9=Х+4,2/5x

Answer 1

1)7 1/4х-х=9 3/8
6 1/4х=9 3/8
Х=9 3/8:6 1:4
Х=75/8 : 25/4
Х=75/8• 4/25
Х=3/2=1 1/2


2)1 : 2 7/9=х+4 2/5х
1: 25/9=5 2/5х
1•9/25=5 2/5х
9/25=5 2/5х
х=9/25 : 5 2/5
Х=9/25: 27/5
Х=9/25 •5/27
Х=1/15