Solve the System by the Addition Method $$7 x + 9 y = 9$$

question 266

Multiple Choice

Solve the system by the addition method.
- $$7 x + 9 y = 9$$
$9 x - 3 y = - 3$

• A) \(\{ ( 0,1 ) \}\)
• B) \(\{ ( 1,0 ) \}\)
• C) \(\{ ( 1,1 ) \}\)
• D) \(\{ ( 0,0 ) \}\)

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