ramseys98 ramseys98 30-09-2022 Mathematics Answered 1. Is x = 2, y = 6, z = 1 a solution to the system of equations? Explain. 1.5x + y-z = 8 x + 3y = 18 2y + z = 13 2. If y = 6, find the values of and z. x 4x+y=z=15 x + 2y + z = 38