Solve the System by the Addition Method $$\begin{array} { l } 7 x + 9 y = 128 \\3 x - 9 y = - 48\end{array}$$

question 44

Multiple Choice

Solve the system by the addition method. $$\begin{array} { l } 7 x + 9 y = 128 \\3 x - 9 y = - 48\end{array}$$

• A) \(( - 1,15 )\)
• B) \(( 17,1 )\)
• C) \(( 8,8 )\)
• D) \(( 17,11 )\)

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Definitions:

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The ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells.

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An organ located in the chest that plays a role in the immune system by producing T lymphocytes.

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