Ответ:
Пошаговое объяснение:
1)
х + 7/12 = 3/4
х = 9/12 - 7/12
х = 2/12
х = 1/6
2)
х - 1/6 = 1/9
х = 1/9 + 1/6
х = 2/18 + 3/18
х = 5/18
3)
х - 3/5 = 3/8
х = 3/8 + 3/5
х = 15/40 + 24/40
х = 39/40
4)
х + 5/24 = 7/12
х = 14/24 - 5/24
х = 9/24
х = 3/8
5)
у + 2/7 = 1/3
у = 1/3 - 2/7
у = 7/21 - 6/21
у = 1/21
6)
х - 1/6 = 7/9
х = 14/18 + 3/18
х = 17/18
7)
у - 3/8 = 5/32
у = 5/32 + 12/32
у = 17/32
8)
у + 2/5 = 1/2
у = 5/10 - 4/10
у = 1/10
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Answers & Comments
Ответ:
Пошаговое объяснение:
1)
х + 7/12 = 3/4
х = 9/12 - 7/12
х = 2/12
х = 1/6
2)
х - 1/6 = 1/9
х = 1/9 + 1/6
х = 2/18 + 3/18
х = 5/18
3)
х - 3/5 = 3/8
х = 3/8 + 3/5
х = 15/40 + 24/40
х = 39/40
4)
х + 5/24 = 7/12
х = 14/24 - 5/24
х = 9/24
х = 3/8
5)
у + 2/7 = 1/3
у = 1/3 - 2/7
у = 7/21 - 6/21
у = 1/21
6)
х - 1/6 = 7/9
х = 14/18 + 3/18
х = 17/18
7)
у - 3/8 = 5/32
у = 5/32 + 12/32
у = 17/32
8)
у + 2/5 = 1/2
у = 5/10 - 4/10
у = 1/10