PEMDAS
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
First, take into account if there are any brackets (parentheses) in the equation. Any equation within a bracket (parentheses) must be performed first.
The next step is to solve any of the powers.
Thirdly, solve any of the multiplication and division. If there is both multiplication and division, work from left to right.
Finally, solve adding and subtraction. Again, if there is both, work from left to right.
Hoped I helped!