Question

Use a matrix to find the solution to the system of equations.
-8x-8y=-16
6x-9y=-108

Answer 1

\[
\begin{bmatrix}
-8&-8 \\
6 & -9
\end{bmatrix}
\begin{bmatrix}
x \\
y
\end{bmatrix}
=
\begin{bmatrix}
-16\\
-108
\end{bmatrix}
\]

Answer 2

so what is the solution and how do i find it?

Answer 3

1. Divide the first row by -8.
2. multiply the 1st row by 6
3. subtract row 1 from 2nd.
3. divide row 2 by -15
4. subtract R2 from R1

Answer 4

when you mean row are you talking about the number after the "=" also?