Solve the following systems of equations:
Adding both equations
⇒ 200x + 200y = 1000
⇒ x + y = 5 ------ (1)
Subtracting both equation
⇒ 2y – 2x = - 2
⇒ x – y = 1 ----- (2)
Adding 1 and 2
⇒ 2x = 6
⇒ x = 3
Thus, 3 + y =5
⇒ y = 2