## Algebra and Trigonometry 10th Edition

In order to write a matrix that would solve this linear equation, we write the coefficients of each variable in their own column. Doing this, we find: $$\begin{bmatrix} 3&-5&2&\vdots&12 \\12&0&-7&\vdots &10 \end{bmatrix}$$
In order to write a matrix that would solve this linear equation, we write the coefficients of each variable in their own column. Doing this, we find: $$\begin{bmatrix} 3&-5&2&\vdots&12 \\12&0&-7&\vdots &10 \end{bmatrix}$$