Px+40=qx+20 check all that apply: p=20 andq=40 p=40 and q=40 p=−20 and q=-20 p=−40 and q=20

The first answer because if you put in 20 for P and 40 for Q the equation comes out to

if you simplify you get 60 = 60 which is a true statement

if you do the other ones out and input the given numbers for P and Q they don't come out evenly and dont equal each other