Please help due in 1 minute!! will give brainliest.

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.

If i have 20$ and i gave 5$ away how much i got

Is there an x intercept in the equation 60*1.15^x