Louisa states that the solution to the equation 1/4x-3=3/8x+4 is x=56 .she verifies her solution using the steps below.

a: louisa made an error when determining the original solution of x = 56.
b: louisa made an error when substituting the solution in for x.
c: louisa made an error when multiplying 56 by 1/4 and by 3/8.
d: louisa made an error when adding or subtracting.

i put the equation and steps in a the files