Is $1 - y = 2 x$ $1- y = 2x$ a direct variation?

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Answer 1 · 2017-11-03T23:26:11

No because...

Direct variation comes with the format of;

$x \propto y$ $x prop y$

$x = y k$ $x = yk$ where $k$ $k$ is the constant variation..

Hence in this case it is a partial variation..

Is 1−y=2x1- y = 2x a direct variation?