Question

the sum of two numbers is 20 there difference is 4 which is greatest of two number (solve by taking equation)

Answer 1

#mathslover @mathemagician...

Answer 2

let X be one number

Y be another number

x+ y = 20 --------(1)

y= 20-x

x- y = 4 -----(2)

x = 4+y

substitute X in 1

4+ y + y = 20

4+ 2y= 20

2y= 5

y= 5/2

substitute y in X

x= 4+ 5/2

x = 13/2

hence X is greater...