54
-36
18 + 18 = 36
36
It is: 5+13+18 = 36
18 + 36 + 45 + 9 + 9 + 54 + 27 + 72 + 81 = 351
The answer is 18. To check, plus 18 and 18 to find out.
The GCF of 12^2 + 18 - 36 is 6.
3+6+9+12+15+18+21+24+27+30+33+36 = 234
13 + 16 + 18 + 20 + 21 + 26 + 27 + 27 + 28 + 36 + 39 + 42 + 43 = 356
6 + 36
18(2 + 3)
When subtracting a negative number, you can think of it as adding the positive equivalent. In this case, 18 minus a negative 18 is the same as 18 plus 18, which equals 36. This is because subtracting a negative number is equivalent to adding its positive counterpart.