Question

1) खालील एकसामायिक समीकरणे सोडवा. x + y = 0; 2x - y = 9​

Answer 1

Answer:

X+Y=0

X= -Y

where

2x-y=9

2(-Y)-Y=9

-2y-y=9

-3y=9

y=-9/3

y=-3

where x+y=0

x+(-3)=0

x-3=0

x=3

x=3; y=-3