Помогите плииз, решить уравнения!
1) 5 4/15 + y = - 2 5/12
2) y + 6 9/16 = - 3 7/24
3) y + 3 3/14 = - 1 4/21
Даю 30 баллов
1) 5 4/15 + y = - 2 5/12
2) y + 6 9/16 = - 3 7/24
3) y + 3 3/14 = - 1 4/21
Даю 30 баллов
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Answers & Comments
1) 5 4/15 + y = - 2 5/12
5 4/15 + 2 5/12=-у
7 41/60=-у
у=-7 41/60
Проверка
5 4/15 +(-7 41/60) = - 2 5/12
-2 5/12=-2 5/12
2) y + 6 9/16 = - 3 7/24
6 9/16 + 3 7/24=-у
9 41/48=-у
у=-9 41/48
Проверка
- 9 41/48 + 6 9/16 = - 3 7/24
-3 7/24=-3 7/24
3) y + 3 3/14 = - 1 4/21
3 3/14 + 1 4/21=-у
4 17/42=-у
у=-4 17/42
Проверка
-4 17/42 + 3 3/14 = - 1 4/21
-1 4/21=-1 4/21