Solve for the Variable That Is Capitalized $X + 2 y = z$

Multiple Choice

Solve for the variable that is capitalized. Assume that none of the variables is 0. $X + 2 y = z$

A) $X = \frac { z } { 2 y }$
B) $X = 2 y - z$
C) $X = z - 2 y$
D) $X = z \cdot 2 y$
E) $X = z + 2 y$