Solve the System of Equations by the Substitution Method$\left\{ \begin{array} { r }
x + y = - 10 \
y = - 3 x
\end{array} \right.$

Question

Solve the System of Equations by the Substitution Method$\left\{ \begin{array} { r } 
x + y = - 10 \
y = - 3 x
\end{array} \right.$

Examlex · Accepted Answer

The Answer of Solve the System of Equations by the Substitution Method$\left\{ \begin{array} { r } 
x + y = - 10 \
y = - 3 x
\end{array} \right.$

Solve the System of Equations by the Substitution Method $\left\{ \begin{array} { r } x + y = - 10 \\y = - 3 x\end{array} \right.$