AngieTellez AngieTellez 02-04-2020 Mathematics contestada The key to solving a two-step equation is isolating thevariable on one side of the equation. In which of thefollowing equations is the variable isolated?A.x= 9/2 + 4B.2x = 8C.3x = 8 + 5D.x = 5x - 4I NEED THIS BY TODAY!!!!!!