An equation is like a seesaw. What does that mean?
In order to isolate the variable, you must undo whatever is being done. • Since you are undoing things, they must be done backwards.
DOING UNDOING P E MD AS AS MD E P Remember UNDOINGmeans solving equations
Doing things backwards means reverse the order of operations. 1. Undo any addition or subtraction. 2. Undo any multiplication or division. 3. Undo any exponents.