Find x and y. 5(1/0 2/-1) - (w/y x/z) = 3(3/-1 4/7) Find p and q. 3(p/4 5/8) - (-2/0 7/2) = 2(-5/6 4/q)

$$5\begin{pmatrix} 1 & 2 \\ 0 & -1 \end{pmatrix} - \begin{pmatrix} w & x \\ y & z \end{pmatrix} = 3\begin{pmatrix} 3 & 4 \\ -1 & 7 \end{pmatrix}$$ $$\begin{pmatrix} 5 \times 1 & 5 \times 2 \\ 5 \times 0 & 5 \times (-1) \end{pmatrix} - \begin{pmatrix} w & x \\ y & z \end{pmatrix} = \begin{pmatrix} 3 \times 3 & 3 \times 4 \\ 3 \times (-1) & 3 \times 7 \end{pmatrix}$$ $$\begin{pmatrix} 5 & 10 \\ 0 & -5 \end{pmatrix} - \begin{pmatrix} w & x \\ y & z \end{pmatrix} = \begin{pmatrix} 9 & 12 \\ -3 & 21 \end{pmatrix}$$

For $x$, we look at the element in the first row, second column:

$$10 - x = 12$$

For $y$, we look at the element in the second row, first column:

$$0 - y = -3$$

For $x$:

$$10 - x = 12$$ $$-x = 12 - 10$$ $$-x = 2$$ $$x = -2$$

For $y$:

$$0 - y = -3$$ $$-y = -3$$ $$y = 3$$

The values are $x = -2$ and $y = 3$.

$$x = -2, y = 3$$