Help and please explain
-x + 2y = 6 then x = 2y - 66y = x +18 then x = 6y - 18 -----------------------substract 0 = -4y + 12 4y = 12 y = 3 -x + 2y = 6 -x + 2(3) = 6 -x = 6 - 6 x = 0answer: x = 0 (second choice)