Question

find three consecutive numbers such that the sum of first and second is 15 more than the third​

Answer 1

Answer:

let number = x,x+1,x+2

x+x+1=x+2+15

= 2x=16+x-1

= x= 16

Numbers =16,17,18

Answer 2

Answer:

7,8,9

Step-by-step explanation:

sume of first and 2nd is: 7+8= 15

so the 3rd one is 9.