m + 7 * 4 = 42 m = 42 - 28 m = 14
n - 3 * 8 = 24 n = 24 + 24 n = 48
9 * 8 - p = 12 p = 72 - 12 p = 60
q - (100 - 93) * 7 = 40 q - 7 * 7 = 40 q = 40 + 49 q = 89
z * 7 + 7 * 2 - 3 = 25 7z + 14 - 3 = 25 7z = 25 - 11 z = 14/7 = 2
(18 + 16 : 2 + 14) : t = 5
(18 + 8 + 14) : t = 5
40 : t = 5
5t = 40
t = 40 : 5
t = 8
