\begin{aligned}
&g(x)=-20-3x
\\\\
&h(x)
=\left(\dfrac{1}{2}\right)^x
\end{aligned}
You asked:
Solve the system of equations:\[\begin{aligned}g\left( x \right) &= -20 - 3 x\\h\left( x \right) &= {\left( \frac{1}{2} \right)}^{x}\end{aligned}\]
\begin{aligned}
&g(x)=-20-3x
\\\\
&h(x)
=\left(\dfrac{1}{2}\right)^x
\end{aligned}
You asked: