Can you please help me with this problem 2x + y = -9

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.

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

How do you solving the solution of each system using elimination?