What is x more than 3x-1 simplified answer of differnet choice

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]