18 * 39 = 702
39-15+18 6x3 Answer: 25
39 ÷ 21 = 1 with remainder 18 or 1.8571 times.
Twice with a remainder of three
-39 + 18 = -21 it is the same as saying 18-39.
LCM of 18 and 39 is 234.
The sum of -18 and 39 is 21.
18
3x13=39
39
The greatest common factor of 39 and 18 is definitely 3.
39 - 7y = 18,-7y = 18 - 39-7y = -21-7y/-7 = -21/-7y = 3
7y + 18 = 39 Therefore, 7y = 39 - 18 = 21 y = 21/7 y = 3