$4\left(-15-3b\right)-4\left(-b+5\right)$
$x^2+5x=-4$
$7a=14$
$\log a=\log\left(x\right)+\frac{1}{3}\log\left(y\right)$
$\left(\frac{a^5\cdot a^2\cdot a}{a\cdot a^3}\right)$
$29-34-91-22+42+57+86+10-7$
$23\:+\:14\:-\:7\:+\:8\:-\:12\:-\:1$
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