Solving One-Step Equations Solve the equation and check your answer. +1 6 = 1 2 4 Which statements are correct? Check all that apply. To undo what has been done to the variable, add 1 1- to both sides of the equation. 4 11 11 경 To undo what has been done to the variable, subtract from both sides of the equatic 1 n=5 4 n=7 73 3 4 1 Check the answer by substituting 5 for the variable in the original equation. 4 ) Intro​