1) 29/3-х=50/51•1/35•7/2
29/3-х=25/3•1/5
29/3-х=5/3
-х=5/3-29/3
-х=-8
х=8
2) (6,5+х):0,475=1 11/19:3/28.
(6,5+х):0,475=30/19*28/3
(6,5+х):0,475=280/19
6.5+x=280/19*0.475
6.5+x=280/19*19/40
6.5+x=7
х=7-6.5
х=0.5
1) 29/3-х=50/51•1/35•7/2
29/3-х=25/3•1/5
29/3-х=5/3
-х=5/3-29/3
-х=-8
х=8
2) (6,5+х):0,475=1 11/19:3/28.
(6,5+х):0,475=30/19*28/3
(6,5+х):0,475=280/19
6.5+x=280/19*0.475
6.5+x=280/19*19/40
6.5+x=7
х=7-6.5
х=0.5