Question

$2x + y = 4$

Answer 1

Your answer ^_^

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$Let \: x = 0 \\ \\ 2(0) + y = 4 \\ \\ y = 4 \\ \\ Let \: x = 1 \\ \\ 2(1) + y = 4 \\ \\ 2 + y = 4 \\ \\ y = 4 - 2 \\ \\ y = 2$

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