Question: 4. Use matrices to solve the following three simultaneous equations. Set up the equations in the format [A]X-B] and solve the equations using [XHIA [B].

4. Use matrices to solve the following three simultaneous equations. Set up the equations in the format [A]X-B] and solve the equations using [XHIA [B]. Use your matmul function to do the multiplication. You may use the built-in MATLAB function for taking the inverse of a matrix. 3a 4b 23 4a10b- 12 4x-2y + z 8 2x +5y +2z-3 xi x2 +3x4-4 -Xi +2x2 + 3x3-X4=4
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