Question

Which of the following is the solution (x,y) of the system of equations x-2y = 2 and -x+2y = 2

Answer 1

Explanation:

x-2y = 2

-x+2y = 2

set 1st eq. equal to 2nd equation since they both equal 2

x -2y = -x + 2y

2x = 4y

x = 2y

1/2x = y

(x, 1/2x ) :P