Solve the system by substitution.
-$$\begin{array} { r }
x + 7 y = 27 \
6 x + 7 y = 57
\end{array}$$
A) $\{ ( 7,2 ) \}$
B) $\{ ( 6,3 ) \}$
C) $\varnothing$
D) $\{ ( - 3,6 ) \}$

Question

Solve the system by substitution.
-$$\begin{array} { r } 
x + 7 y = 27 \
6 x + 7 y = 57
\end{array}$$
A) $\{ ( 7,2 ) \}$
B) $\{ ( 6,3 ) \}$
C) $\varnothing$
D) $\{ ( - 3,6 ) \}$

Quizplus · Accepted Answer

The Answer of Solve the system by substitution.
-$$\begin{array} { r } 
x + 7 y = 27 \
6 x + 7 y = 57
\end{array}$$
A) $\{ ( 7,2 ) \}$
B) $\{ ( 6,3 ) \}$
C) $\varnothing$
D) $\{ ( - 3,6 ) \}$

Solve the System by Substitution x+7y=276x+7y=57\begin{array} { r } x + 7 y = 27 \\6 x + 7 y = 57\end{array}x+7y=276x+7y=57​

Solve the System by Substitution $\begin{array} { r } x + 7 y = 27 \\6 x + 7 y = 57\end{array}$