What is the inverse of f(x)= 4x + 3 ?

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.

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12