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Х : 5 =7 : 1/2
Х : 6 = 1/3 : 8
60/х = 5/7
Х : 2,43 = 2 : 5
Х-5/20 = 6/7
11/7 = 22/68Х
Х : 5 =7 : 1/2
Х : 6 = 1/3 : 8
60/х = 5/7
Х : 2,43 = 2 : 5
Х-5/20 = 6/7
11/7 = 22/68Х
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Answers & Comments
x*1/2=5*7
x*1/2=35
x=35:1/2
x=70
2) x:6=1/3:8
x*8=6*1/3
x*8=2
x=2:8
x=0.25
3) 60/x=5/7
x*5=60*7
x*5=420
x=420/5
x=84
4) x:2.43=2:5
x*5=2.43*2
x*5=4.86
x=4.86/5
x=0.972
5) x-5/20=6/7
x-5*7=20*6
x-5*7=120
x-5=120/7
x-5=17 1/7
x=17 1/7+5
x=22 1/7
6) 11/7=22/68x
11*68x=7*22
11*68x=154
68x=154/11
68x=14
x=14/68
x=7/34