The other number is 18/y.
There are 6 people and 210 calories each slice
6*210 = 1260 calories
The answer should be something like 12, 33, 56, 66, 77
Answer:
If twice the opposite of a number increased by five, then the result is the opposite of a number.
The asiest way to solve this is the guess and check method. It is asking you what a number doubled then by adding five is the opposite of that number. Now go through a few SINGLE digit numbers to try and solve. I hope this helps.
