2y + 9a + 9y = | 8y + 5g − 3y = | 2d − 7c + 8d = |
2y − 8x − 5y = | 3d + 3g − 10d = | 5h + g + 2h = |
10y − 7c + 10y = | 9q + 9p − 10q = | 4h + 2g + 7h = |
2d + 7a + 7d = | 6b + 4m − 9b = | 2y + 4a − 9y = |
7b − a + 3b = | 4d − 5p − 10d = | 2y + 8x + 10y = |
8y + 6p + 2y = | 8q + 2g − 7q = | 10h + 4m − 7h = |
10n + 9m + n = | 4n + 7x + 4n = | 8y − 5a + 4y = |
10h + 2c + 9h = | 2n − 10g − 10n = | 9d + p − 2d = |
5h + 4g − 9h = | 9b + 8x − 4b = | 4b + 7g − 2b = |