Consider the equation:
$y + 7 x = 3 x - 2 y + 28$
Which of the following can be a solution to the equation ?

(5, 3)

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(6, 2)

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(7, 1)

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(4, 4)

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Solution

The correct option is D $(4, 4)$
$4 \times 4 + 3 \times 4 = 16 + 12 = 28 \Rightarrow (4, 4)$ is a solution

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