1) 5/9x=1 1/3 2) 5x=10/13
x = 1 1/3 : 5/9 х = 10/13 : 5/1 5= (5/1)
х = 4/3 · 9/5 х = 10/13 · 1/5
х = 4/3 · 1/5 х = 2/13 · 1/1
х = 4/15 х = 2\13
3) 7/12:x=3/4 4)1 4/5:x=3 3/5
х = 7/12 : 3/4 х = 1 4/5 : 3 3/5
х = 7/12 · 4/3 х = 9/5 : 18/5
х = 7/3 · 1/3 х = 9/5 · 5/18
х = 7/9 х = 1/1 · 1/2
х = 1/2
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Answers & Comments
1) 5/9x=1 1/3 2) 5x=10/13
x = 1 1/3 : 5/9 х = 10/13 : 5/1 5= (5/1)
х = 4/3 · 9/5 х = 10/13 · 1/5
х = 4/3 · 1/5 х = 2/13 · 1/1
х = 4/15 х = 2\13
3) 7/12:x=3/4 4)1 4/5:x=3 3/5
х = 7/12 : 3/4 х = 1 4/5 : 3 3/5
х = 7/12 · 4/3 х = 9/5 : 18/5
х = 7/3 · 1/3 х = 9/5 · 5/18
х = 7/9 х = 1/1 · 1/2
х = 1/2