Write a sentence to represent the equation 4 m equals -8

Plz which expression is equivalent to the expression below?

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

F(x)=5/6x+3 which of the following is true