Решите уравнения: x-1 5/7=2 1/7 (12 5/13+y)-9 9/13=7 7/13

Question

Решите уравнения: x-1 5/7=2 1/7
(12 5/13+y)-9 9/13=7 7/13

Answer 1

1)
х=2 1/7 + 1 5/7
х=3 6/7
$$$$$$$
2)
12 5/13+у- 9 9/13 = 7 7/13
11 18/13+у- 9 9/13=7 7/13
2 9/13+у=7 7/13
у=7 7/13 - 2 9/13
у=6 20/13 - 2 9/13
у=4 11/13