whats the answer to this 2x + y =5
4y + 8x =1
2x + y = 5 → y = 5 - 2x (1)
4y + 8x = 1 (2)
Sub (1) into (2)
4 [ 5 - 2x ]+ 8x = 1
20 - 8x + 8x = 1
20 = 1 → no solution....these are parallel lines
