Question

When two naturel numbers, one of them being four time the others. if their sum is 15, find the numbers?

Answer 1

x+x+1=15(let 1 st no. be x and other be x+1)

2x+1=15

2x=15-1

2x=14

x=14/2

x=7

x=7

x+1=7+1=8

Answer 2

x+x+1=15(let 1 st no. be x and other be x+1)

2x+1=15

2x=15-1

2x=14

x=14/2

x=7

x=7

x+1=7+1=8