ONLY BIG BRAIN FLOOR GANG CAN SOLVE THIS At their going-out-of-business sale, Bill's Bikes sold 39 bikes and had 55 left. Which equation could be used to find x, the number of bikes the store had originally?
A.
x - 55 = 39
B.
x + 39 = 55
C.
x - 39 = -55
D.
x + 55 = -39

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120