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System of Equations

I need help solving a system of equations. Each equation has four variables (x1, x2, x3, and x4).

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Linear Algebra

In this problem, we need to solve a system of equations. There are 4 equations and 4 variables.

x1 - x2 + x4 = 4.3 (1)
4x1 + 2x3 = 4.8 (2)
3x1 + x3 + x4 = 4.6 (3)
x2 + 2x3 + x4 = -1.1 (4)

Here are my steps to solving the problem (I'll refer to ...

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