Understand What Is Meant by Equal Matrices
- $$\left[ \begin{array} { r r } x + 3 & y + 4 \\7 & 5\end{array} \right] = \left[ \begin{array} { r r } 7 & - 3 \\7 & z\end{array} \right]$$

Multiple Choice

Understand What is Meant by Equal Matrices
- $$\left[ \begin{array} { r r } x + 3 & y + 4 \\7 & 5\end{array} \right] = \left[ \begin{array} { r r } 7 & - 3 \\7 & z\end{array} \right]$$

A) $x = 4 ; y = - 7 ; z = 5$
B) $x = - 4 ; y = 7 ; z = - 5$
C) $x = 7 ; y = - 3 ; z = 5$
D) $x = 4 ; y = 5 ; z = 7$