Solve, Using the Substitution Method, and Check$\begin{array} { c }
8 x - y = 10 \
y = - x
\end{array}$

Question

Solve, Using the Substitution Method, and Check$\begin{array} { c } 
8 x - y = 10 \
y = - x
\end{array}$

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The Answer of Solve, Using the Substitution Method, and Check$\begin{array} { c } 
8 x - y = 10 \
y = - x
\end{array}$

Solve, Using the Substitution Method, and Check $\begin{array} { c } 8 x - y = 10 \\y = - x\end{array}$