Write an equation and solve it.

The difference between a number and three-fourths is one-half.

Which equation and solution is correct?
A Three-fourths minus one-half = x; x = one-fourth
B x minus one-half = three-fourths; x = 1 and one-fourth
C Three-fourths minus x = one-half; x = one-fourth
D x minus three-fourths = one-half; x = 1 and one-fourth