Solve the Formula $$c = \frac { 1 } { 2 } ( B + k ) x$$

Multiple Choice

Solve the formula $$c = \frac { 1 } { 2 } ( B + k ) x$$ for the variable $x$ .

A) $x = \frac { B + k } { 2 c }$
B) $x = \frac { c } { 2 ( B + k ) }$
C) $x = \frac { 2 ( B + k ) } { c }$
D) $x = \frac { 2 c } { B + k }$
E) $x = \frac { c } { 2 B + 2 k }$