Question

class 10 3.3 pair of lnear equation by the substitution x+y14 x-y=4​

Answer 1

Answer:

equation 1 x+y = 14

equation 2 x-y = 4

x+y = 14

x-y = 4

on solving

2x= 18

x= 18/2

x=9

put x=9 in equation 1

x+y = 14

9+y= 14

y=14-9

y=5