Whitehall District Schools ► Pre-Calculus ► Pre-Calc ► Chapter 7: Systems and Matrices ► 7.3 Solving Linear Systems with Matrices ► Solve Linear System in 3 or 4-Variables

• Solve Linear System in 3 or 4-Variables 1 
  • Solve the system of equations.  x + y + z - w = 6 2x - y + 3z + 4w = ...