Please Excuse My Dear Aunt Sally

We are about to enter the world of PEMDAS. This is our nemonic to remember how to solve an equation that has many, many operations (+,-, *, and /) in it. How do we solve it? Which operation do we do first?
Follow these simple steps to know how... remember this simple phrase:
"Please Excuse My Dear Aunt Sally"
In other words, do the operations in this order:
P: Parentheses
E; Exponents next
M and D: Multiply or Divide, whichever one comes first when you read the problem L to R
A and S: Add or Subtract, whichever one comes first when you read the problem L to R