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Solve the System $7 x - y = 5$ $- 14 x + 2 y = - 10$

Question 442

Multiple Choice

Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary.
- $7 x - y = 5$
$- 14 x + 2 y = - 10$

A) $\varnothing$
B) $\{ ( x , 14 x - 5 ) \}$
C) $\{ ( x , 7 x - 5 ) \}$
D) $\{ ( x , 5 - 7 x ) \}$

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