Solve Using Substitution$$\left\{ \begin{array} { c }
x - 4 z = 7 \
7 x + y + 6 z = 84 \
y + 3 z = 9
\end{array} \right.$$

Question

Solve Using Substitution$$\left\{ \begin{array} { c } 
x - 4 z = 7 \
7 x + y + 6 z = 84 \
y + 3 z = 9
\end{array} \right.$$

Examlex · Accepted Answer

The Answer of Solve Using Substitution$$\left\{ \begin{array} { c } 
x - 4 z = 7 \
7 x + y + 6 z = 84 \
y + 3 z = 9
\end{array} \right.$$

Solve Using Substitution $\left\{ \begin{array} { c } x - 4 z = 7 \\7 x + y + 6 z = 84 \\y + 3 z = 9\end{array} \right.$