Question

The sum of two consecutive integers is 15. What are the numbers?

Answer 1

7,8

Answer 2

8 and 7

Answer 3

8 and 7

Answer 4

give the first number a symbol, say 'x', then you can write the problem as:\[x+(x+1)=15\]so:\[2x+1=15\]\[2x=14\]\[x=7\]so answer is 7 and 8

Answer 5

x+y=15
y=x+1
x+x+1=15
2x=14
x=7
y=7+1
y=8
7 and 8