$-3x-14<3x+16$
$2y-2x+y$
$90x^2-80-100$
$\int\frac{e^{2x}\:\:}{\sqrt{1-e^x}}dx$
$\lim_{x\to0}\frac{4\ln\left(1+\left(+1+3x\right)^2\right)-4\ln\left(4\right)}{x}$
$\left(8ab^2c^3\right)^2$
$10+-\left(-10\right)$
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