You're subtracting by 9.
-9
n + 18 = 27 subtract 18 to 18 and 27 18-27=9 n = 9
27-18=9.
18+x=27 calculate and your answer should be 9.
It is -9 because the numbers are decreasing by 18 each time
9,18,27,36,45,54
9, 18 and 27 are three numbers that have a GCF of 9
-9
n + 18 = 27 subtract 18 to 18 and 27 18-27=9 n = 9
27-9 = 18
21-3=18 18/2=9 9*3=27 that is the pattern so after the 36 it should be 33
27-18=9.
18+x=27 calculate and your answer should be 9.
The factors of 18 are 1, 2, 3, 6, 9, 18. The factors of 27 are 1, 3, 9, 27. The common factors of 18 and 27 are 1, 3 and 9. The greatest common factor of 18 and 27 is 9.
The factors of 18, 9, and 27 are 1, 3, and 9.
18/18 and 27/27
It is -9 because the numbers are decreasing by 18 each time