64x-4x/3
How do I do this
$$$64x-\frac{4x}{3}$\\\\ $=\frac{64*3x}{3}-\frac{4x}{3}$\\\\ $=\frac{192x}{3}-\frac{4x}{3}$\\\\ $=\frac{188x}{3}$\\\\$$
The 'x' besides the 4 refers to an expression like
64x-4y/3
