A random variable $X$ follows a binomial distribution $\mathrm{B}(n, p)$. If the mean and standard deviation of the random variable $2X - 5$ are 175 and 12, respectively, what is the value of $n$? [3 points]\\
(1) 130\\
(2) 135\\
(3) 140\\
(4) 145\\
(5) 150