$3x+7>-5$
$\left(2\sqrt{x}\:+\frac{3}{x}\right)\left(3\sqrt{x}\:+\frac{2}{x}\right)$
$\frac{-x+7}{3}+5$
$1+\frac{1}{1+\frac{1}{1-x}}=x$
$x\:cos\:y\:=1$
$45\:x\:90$
$12a-8a+10a+3a-18a+5a$
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