$-7+3x=-22$
$-10x+5$
$\sin\left(\pi-x\right)=\sin\left(x\right)$
$\sqrt{4x-4}=2\sqrt{x-1}\left\{\right\}$
$5-x=9$
$\int\left(4x^2+9\right)^22dx$
$x^2+\sqrt{2}x$
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