y + 6 + 6 = 15
15-6-6 = y
9-6 = y
3 = y
7
16
25
The two numbers that are being added are each called addends, and the result is called a sum.
Try: -9
The number is eighteen.
Two negative numbers added together result in a negative number.
7
16
342
It is called the sum
you call is the sum
25
The two numbers that are being added are each called addends, and the result is called a sum.
Try: -9
The number is 121/2.
The number is 20.