8(a + 1) - 7a = 8a + 8 - 7a = a + 8 = a = 9 - a = 1
(18y - 12) / 6 + 5y = 13y - 2 + 5y = 18y - 2 = 18y = 1y = 2
5(8e - 1) - 28e = 140e - 5 - 28e = 112e - 5 = 112e = 2e = 2
Therefore, the solutions are:
8(a + 1) - 7a =
8a + 8 - 7a =
a + 8 =
a = 9 -
a = 1
(18y - 12) / 6 + 5y = 1
3y - 2 + 5y = 1
8y - 2 = 1
8y = 1
y = 2
5(8e - 1) - 28e = 1
40e - 5 - 28e = 1
12e - 5 = 1
12e = 2
e = 2
Therefore, the solutions are:
a = 1y = 2e = 2