Пошаговое объяснение:
А)
4. 1/9х - 1. 2/3х + 2. 5/6х =
5. 2/18х - 1. 12/18х + 2. 15/18х =
4. 20/18х - 1. 12/18х + 2. 15/18х =
3. 8/18х + 2. 15/18х = 5. 23/18х = 6. 5/18х
х = 18/19
6. 5/18х = 113/18 * 18/19 =
113/19 = 5. 18/19
Б)
3. 5/6у - (3. 1/4у - 1. 7/12у) =
3. 20/24у - (3. 6/24у - 1. 14/24у) =
3. 20/24у - (2. 30/24у - 1. 14/24у) =
3. 20/24у - 1. 16/24у = 2. 4/24у = 2. 1/6у
у = 1. 5/13
2. 1/6у = 2. 1/6 * 1. 5/13 =
13/6 * 18/13 = 18/6 = 3
Пошаговое объяснение:
А)
4. 1/9х - 1. 2/3х + 2. 5/6х =
5. 2/18х - 1. 12/18х + 2. 15/18х =
4. 20/18х - 1. 12/18х + 2. 15/18х =
3. 8/18х + 2. 15/18х = 5. 23/18х = 6. 5/18х
х = 18/19
6. 5/18х = 113/18 * 18/19 =
113/19 = 5. 18/19
Б)
3. 5/6у - (3. 1/4у - 1. 7/12у) =
3. 20/24у - (3. 6/24у - 1. 14/24у) =
3. 20/24у - (2. 30/24у - 1. 14/24у) =
3. 20/24у - 1. 16/24у = 2. 4/24у = 2. 1/6у
у = 1. 5/13
2. 1/6у = 2. 1/6 * 1. 5/13 =
13/6 * 18/13 = 18/6 = 3