Question

y + x = 5, y - x = 9 elimation method ​

Answer 1

Answer:

x=-2,y=7

Step-by-step explanation:

y +x=5......eq.i

y - x=9..... eqii

add I and II

then we will get

2y=14

y=7

and x=5-7=-2

hence,x= -2 and y= 7