Horatio is solving the equation -3/4+2/5x=7/20x-1/2. Which equations represent possible ways to begin solving for x? Check all that apply.

2/5x=7/20x+1/4

2/5x=7/20x+5/4

-3/4=-1/20x-1/2

-3/4=3/4x-1/2

-3/4+1/20x=-1/2