7. Systems of Equations & Matrices

In Exercises 5 - 8, find values for the variables so that the matrices in each exercise are equal. $\(\begin{bmatrix}\)x \\4\(\end{bmatrix}\)=\(\begin{bmatrix}\)6 \\(\y\]\end{bmatrix}\)$

In Exercises 5 - 8, find values for the variables so that the matrices in each exercise are equal. $\(\begin{bmatrix}\)x & 2y \\(\z\) & 9\(\end{bmatrix}\)=\(\begin{bmatrix}\)4 & 12 \\3 & 9\(\end{bmatrix}\)$

In Exercises 9 - 16, find the following matrices: a. A + B

In Exercises 9 - 16, find the following matrices: c. - 4A

In Exercises 9 - 16, find the following matrices: a. A + B

In Exercises 9 - 16, find the following matrices: b. A - B

In Exercises 9 - 16, find the following matrices: c. - 4A

In Exercises 9 - 16, find the following matrices: d. - 3A + 2B

In Exercises 9 - 16, find the following matrices: b. A - B

In Exercises 9 - 16, find the following matrices: b. A - B

In Exercises 9 - 16, find the following matrices: c. - 4A

In Exercises 9 - 16, find the following matrices: d. - 3A + 2B

In Exercises 9 - 16, find the following matrices: d. - 3A + 2B

In Exercises 9 - 16, find the following matrices: b. A - B

In Exercises 9 - 16, find the following matrices: a. A + B