$2x+4n=x-m$
$2+3\cos2x=\cos x$
$\log_{x+7}\left(2x^2-x-5\right)=2$
$\frac{.486}{.5}=9.72$
$4\left(x+5\right)\le5x+3$
$\left(2a^2+b^2+c^2\right)^2$
$y\frac{dy}{dx}=\left(x+1\right)^2$
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