$7 x + 3 \geq 5$

$\frac{1}{\left(1+\left(\frac{x}{2}\right)\right)}$

$\sqrt[3]{\left(8\right).27.64}$

$2x+4\left(x+2\right)+\left(-8\right)$

$3c\left(5a+2b-1\right)$

$\lim_{x\to0}\left(20+55e^{0.55x}\right)$

$\int\left(\frac{6}{\tan\left(x\right)+\cot\left(x\right)}\right)dx$