Hello. I went into the clinic for some birth control and they were giving the HIV test. I was surprised to see they didn't take any blood. It was my first test but they did the mouth swab and I was wondering how reliable you guys think the test is. I know you can't get HIV from kissing but...
express your answer in? of t, where x = x(t), y = y(t), z = z(t), and w = t. If the system is inconsistent, enter INCONSISTENT.)
y - z + 2w = 0
3x + 2y + w = 0
2x + 4w = 10
-2x - 2z + 5w = 5
(x, y, z, w) =
*IN TERMS OF T. sorry about that