Which statements are correct? Check all that apply. To undo what has been done to the variable, add to both sides of the equation.To undo what has been done to the variable, subtract from both sides of the equation.Check the answer by substituting for the variable in the original equation.
A
To undo what has been done to the variable, add to both sides of the equation.B
To undo what has been done to the variable, subtract from both sides of the equation.E
Check the answer by substituting for the variable in the original equation.