Question

X+y=25.
x-y=16.
Answer in Cross multplication

Answer 1

X + Y = 25

+

X - Y = 16

_________________

2X + 0Y= 41

X = 41/2

Now Put these value of X in any of the above equation, let's say in first equation, 41/2+ Y = 25

Y = 25 - 41/2

Y = (50-41)/2

Y = 9/2