Question

The sum of two numbers is 11. One number is 7 less than the other. Find the numbers.

Answer 1

9 & 2

Explanation:

let x be the first number

the other is 7 less than x

the sum is 11

x+(x-7) = 11

x+x-7 = 11

2x = 11+7

2x=18

x=9

9-7=2