eq1: (2 * x) + (3 * y) - z - 2 = 0
eq2: (4 * x) + (6 * y) - (2 * z) + 20 = 0
A: (2, 3, 1)
B: (3, 2, -2)
v: (1, 1.5, -0.5)
eq3: (3 * x) - (4 * y) + z - 2 = 0