Question

the sum of a number and 9 is equal to 17. what is the number.​

Answer 1

Answer:

8

Step-by-step explanation:

Let the number be x.

x+9=17

x=17-9

x=8

Hope it helps you!

Answer 2

Step-by-step explanation:

Let the number x

$x + 9 = 17 \\ = x = 17 - 9 \\ x = 8$