Answer
Yes
Work Step by Step
We have $2x=-\frac{9}{4}$ is $-\frac{9}{8}$ the solution?
Substitute x with $-\frac{9}{8}$
$ 2\times -\frac{9}{8}=-\frac{9}{4} $
$-\frac{9}{4} =-\frac{9}{4} $
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