Question 83·Medium·Algebra

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Boxes of type A and type B have masses of $x$ kilograms and $y$ kilograms, respectively. A shipment is modeled by the following system:

\begin{aligned} 4x+3y&=31 \\[1.4em] 2x-y&=3 \end{aligned}

Which choice is the mass, in kilograms, of a box of type B?

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