If the first step in the solution of the equation -9 + x = 5x - 7 is "subtract x," then what should the next step be? add 7 add 9 subtract 5x

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)