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Solve the System by the Method of Elimination {5xy=117xy=25\left\{ \begin{array} { c } 5 x - y = 11 \\- 7 x - y = - 25\end{array} \right.

Question 109

Multiple Choice

Solve the system by the method of elimination.
{5xy=117xy=25\left\{ \begin{array} { c } 5 x - y = 11 \\- 7 x - y = - 25\end{array} \right.


A) (1,18) ( 1,18 )
B) (3,4) ( 3,4 )
C) (76,1576) \left( - \frac { 7 } { 6 } , - \frac { 157 } { 6 } \right)
D) (5,65) \left( - 5 , \frac { 6 } { 5 } \right)
E) inconsistent

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