Объяснение:
1)
9х = 2/5
х = 2/5 : 9
х = 2/5 * 9
х = 18/5
х = 3 3/5
2)
3х = 2
х = 2 : 3
х = 2/3
3)
1/2х = 3
х = 3 : 1/2
х = 3 * 2/1
х = 6/1
х = 6
4)
3/4х = 1/2
х = 1/2 : 3/4
х = 1/2 * 4/3
х = 4/6
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Verified answer
Объяснение:
1)
9х = 2/5
х = 2/5 : 9
х = 2/5 * 9
х = 18/5
х = 3 3/5
2)
3х = 2
х = 2 : 3
х = 2/3
3)
1/2х = 3
х = 3 : 1/2
х = 3 * 2/1
х = 6/1
х = 6
4)
3/4х = 1/2
х = 1/2 : 3/4
х = 1/2 * 4/3
х = 4/6
х = 2/3