$2^{2x}-2^{x+1}=0$
$7x+3=4x+15$
$a^4-18a^2+81$
$\left(-32\right)-\left(-6\right)$
$-2x+1>5$
$m+\frac{5}{2}+\frac{5}{2}m$
$\left(yx^4z^3\cdot x^3y^3z^{-1}\right)^{-3}$
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