18 * 39 = 702
-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
3 goes into 33 and 39
13 goes into 39 3 times 13 goes into 52 4 times
They are 1 and 13 that goes into both numbers
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