Find all possible values of x. (Enter your answers as a comma-separated list.)

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.

Ineed with this problem 21 show steps

I'm confused on this could anyone me and show me what i need to do to solve it.