Use any method to solve the system of linear equations,find (x,y). $$\left\{ \begin{array} { c }
4 x - 3 y = 16 \
- 5 x + 3 y = - 23
\end{array} \right.$$
A)(7,4)
B)(4,7)
C)(4,-7)
D)(-7,4)
E)(-7,-4)

Question

Use any method to solve the system of linear equations,find (x,y). ​​ $$\left\{ \begin{array} { c } 
4 x - 3 y = 16 \
- 5 x + 3 y = - 23
\end{array} \right.$$ ​
A)(7,4)
B)​(4,7)
C)​​(4,-7)
D)​(-7,4)
E)​(-7,-4)

Quizplus · Accepted Answer

Adding the two equations directly cancels out $y$, leading to $-x = -7$, so $x = 7$. Substituting $x = 7$ into the first equation gives $4(7) - 3y = 16$, solving for $y$ yields $y = 4$.

Use Any Method to Solve the System of Linear Equations,find {4x−3y=16−5x+3y=−23\left\{ \begin{array} { c } 4 x - 3 y = 16 \\- 5 x + 3 y = - 23\end{array} \right.{4x−3y=16−5x+3y=−23​

Use Any Method to Solve the System of Linear Equations,find $\left\{ \begin{array} { c } 4 x - 3 y = 16 \\- 5 x + 3 y = - 23\end{array} \right.$