3a + 4 = 10
3a = 7
2a + 5 = 7
8a - 10 = 22
5a + 1 = -24
5a = 5
4a + 10 = 14
3a + 2 = 8
5a = -25
4a – 5 = 11
5a – 4 = 1
6a = 14