Use Gaussian Elimination to Solve the System of Equations

question 159

Multiple Choice

Use Gaussian elimination to solve the system of equations.
-x - y + w - 3z = 3 x + 2y = -3
Y + w = -2
-x + w + z = 3

• A) (26, -15, 13, 17)
• B) (25, -14, 12, 16)
• C) (23, -13, 11, 17)
• D) (27, -14, 12, 17)