PL HELP ASAP Solve the equation and check your answer.

6 1 /2 = 1 1 /4 + n
Which statements are correct? Check all that apply.
To undo what has been done to the variable, add and one-fourth to both sides of the equation.
To undo what has been done to the variable, subtract and one-fourth from both sides of the equation.
n = 5 and one-fourth
n = 7 and three-fourths
Check the answer by substituting n = 7 and three-fourths for the variable in the original equation.