Solve the System of Equations by Substitution $$\begin{array} { l } \frac { 1 } { 2 } x + \frac { 2 } { 3 } y = 32 \\\frac { 1 } { 4 } x - \frac { 5 } { 9 } y = 40\end{array}$$

question 139

Multiple Choice

Solve the system of equations by substitution.
- $$\begin{array} { l } \frac { 1 } { 2 } x + \frac { 2 } { 3 } y = 32 \\\frac { 1 } { 4 } x - \frac { 5 } { 9 } y = 40\end{array}$$

• A)(100, 27)
• B)(-100, -27)
• C)(100, -27)
• D)(-100, 27)

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