Question
Find the values of the variables for which each statement is true, if possible. See Examples $I$ and 2 .$$\left[\begin{array}{l}p \\q \\r\end{array}\right]=\left[\begin{array}{r}3 \\-9\end{array}\right]$$
Step 1
The first matrix is a 3x1 matrix, and the second matrix is a 2x1 matrix. Show more…
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Find the values of the variables for which each statement is true, if possible. See Examples 1 and 2. $$\left[\begin{array}{l}p \\q \\r\end{array}\right]=\left[\begin{array}{r}3 \\-9\end{array}\right]$$
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Find the values of the variables for which each statement is true, if possible. $$\left[\begin{array}{l} p \\ q \\ r \end{array}\right]=\left[\begin{array}{r} 3 \\ -9 \end{array}\right]$$
Find the values of the variables for which each statement is true, if possible. See Examples $I$ and 2 . $$ \left[\begin{array}{ccc} -7+z & 4 r & 8 s \\ 6 p & 2 & 5 \end{array}\right]+\left[\begin{array}{ccc} -9 & 8 r & 3 \\ 2 & 5 & 4 \end{array}\right]=\left[\begin{array}{ccc} 2 & 36 & 27 \\ 20 & 7 & 12 a \end{array}\right] $$
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