Finite Math Examples

$3 x + y = 1$ , $(2 k - 1) x + (k - 1) y = 2 k + 1$

Step 1

$3 x + y = 1, (2 k - 1) x + (k - 1) y = 2 k + 1$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$