$2-\left(5-7\right)-12$
$\frac{x^2-7x+2}{x-5}$
$y-3\ge5$
$-160=5x+5\left(-4x-11\right)$
$7x-2<5x-4$
$\frac{t}{-5}+25=-15$
$2.264-1.5$
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