Solve the System of Linear Equations by the Method of Elimination.Find

question 13

Multiple Choice

Solve the system of linear equations by the method of elimination.Find (r,s) and check your solution algebraically.​ $$\left\{ \begin{array} { c } 2 r + 4 s = 7 \\16 r + 50 s = 77\end{array} \right.$$ ​

• A)​ \(\left( \frac { 7 } { 6 } , - \frac { 7 } { 6 } \right)\)
• B)​ \(( 7,77 )\)
• C)​ \(\left( \frac { 7 } { 6 } , \frac { 7 } { 6 } \right)\)
• D)​ \(\left( - \frac { 7 } { 6 } , \frac { 7 } { 6 } \right)\)
• E)​ \(\left( - \frac { 7 } { 6 } , - \frac { 7 } { 6 } \right)\)

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