Simplify this equation please

The two-way frequency table below shows data on playing a sport and playing a musical instrument for students in a class.

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

5(-9w) put expression in distributive property