Precalculus Examples

$x + y - z = 4$ , $4 x - y + z = 6$ , $x - 3 y + 2 x = - 21$

Step 1

Since there is more than one variable, the equation cannot be formed.

Cannot create equation.

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