Question

Find the value of x-y ,if 5x+4y=14 and 4x+5y=13 *
A) 1
B) 3
C) 5​

Answer 1

Answer:

A)1

Take 5x+4y=14 equation 1

and 4x+5y=13 equation 2

Then,

subtracting 2 from 1 .We get,

x-y = 1