4x4 system of equations solver
This calculator solves system of four equations with four unknowns.
Statistics and probability
examples
$$
\begin{aligned}
x + 2y + z - t & = 5 \\[2ex]
\frac{3}{2}x + y + 2z + 2t & = 8 \\[2ex]
4x + 4y + 3z + 4t & = 22 \\[2ex]
\frac{2}{5}x + \frac{1}{5}z + t &= 3
\end{aligned}
$$
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