Matrix Operations and

Question $17,4\mathrm{.}6\mathrm{.}31$

Part $1$ of $3$

Write the given system of equations as a matrix equation and solve by using inverses.

$x_1+3x_2=k_1$

$-x_1-4x_2=k_2$

a$.$ What are $x_1$ and $x_2$ when $k_1=4$ and $k_2=2?$

$x_1=$

$x_2=$