31
Because, twice 31 is 62. And, 62 plus 13 is 75.
Chat with our AI personalities
4
If the number (count) of odd values to sum is odd, then the answer is odd.If the number (count) of odd values to sum is even, then the answer is even.
2(8 + 5) = 2(13) = 26
If you mean: (x+3)^2 = (x+2)^2 +13 Then the value of the number x works out as 4
The number is 4 (4+3) * (4+3) = 49 (4+2) * (4+2) = 36 49 - 36 = 13