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## Main Question or Discussion Point

I have an augmented matrix that I need to solve. I have broken it into a 4x4 matrix and a vector. As seen below.

I have already worked the matrix out by hand using Gaussian Elimination and have obtained the solution below

How, do I enter the system into Matlab to get the same answer?

**A= 0 1 1 1; 3 0 3 -4; 1 1 1 2; 2 3 1 3**

B= 0; 7; 6; 6B= 0; 7; 6; 6

I have already worked the matrix out by hand using Gaussian Elimination and have obtained the solution below

**Solution: 4; -3; 1; 2**How, do I enter the system into Matlab to get the same answer?