-18 + 59 = 41
(not sure how 25 fits)
C = -59
354
59
This appears to be a number trick or joke. The answer is that 1 hour, plus 1 minute, plus 59 minutes, will equal 2 hours.
68 + 59 = 127
63+59+75 = 197
59
35
49 plus 10 equals 59.
59 plus 29 equals 88. You can find this by simply adding the two numbers together.
x=-2
18