Question

Suppose that the ordered pairs (x+y,2) and (4, x-y) are equal. Find x and y.

Answer 1

Answer:

(x+y, 2) = (4, x-y)

when ordered pair is equal then

x + y = 4.......(1)

x-y = 2........(2)

add equation 1 and 2

2x = 6

x= 3 then y = 1