Question

sum of two number is 15 and their difference is16find the number

Answer 1

Here is your answer > >

Let the two numbers be x and y

x+y=15........ (1)

x-y=16......... (2)

Adding (1) and (2)

x+y+x-y=15+16

2x=31

x=31/2

x=15.5

From (1)

x+y=15

15.5+y=15

y=15-15.5

y=-0.5

So, the two numbers are 15.5 and -0.5

Hope it helps!