Solve the system of equations by either the addition method or the substitution method.
-$\left\{ \begin{array} { l }
2 x + 3 y = 18 \
3 x - 4 y = - 42.7
\end{array} \right.$
A) $( - 3.3,8.2 )$
B) no solution
C) infinite number of solutions
D) $( 8.2 , - 3.3 )$

Question

Solve the system of equations by either the addition method or the substitution method.
-$\left\{ \begin{array} { l } 
2 x + 3 y = 18 \
3 x - 4 y = - 42.7
\end{array} \right.$
A) $( - 3.3,8.2 )$
B) no solution
C) infinite number of solutions
D) $( 8.2 , - 3.3 )$

Quizplus · Accepted Answer

By using the substitution or addition method, the solution to the system of equations is $(-3.3, 8.2)$.

Solve the System of Equations by Either the Addition Method {2x+3y=183x−4y=−42.7\left\{ \begin{array} { l } 2 x + 3 y = 18 \\3 x - 4 y = - 42.7\end{array} \right.{2x+3y=183x−4y=−42.7​

Solve the System of Equations by Either the Addition Method $\left\{ \begin{array} { l } 2 x + 3 y = 18 \\3 x - 4 y = - 42.7\end{array} \right.$