Solve the System of Equations by Using the Addition Method $7.7 x + 7.1 y = - 3.5$

question 122

Multiple Choice

Solve the system of equations by using the addition method.
-Solve the system by the addition method.
$7.7 x + 7.1 y = - 3.5$
$- 7.1 x - 7.3 y = 8.5$

• A) \(\{ ( 6 , - 7 ) \}\)
• B) \(\{ ( 13.3 , - 14.1 ) \}\)
• C) \(\{ ( - 1.1,0.7 ) \}\)
• D) \(\{ ( 13.1 , - 14.7 ) \}\)

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