 PS Algebra I.  when simplifying an expression, this is the procedure you must use: 1) simplify any grouping symbols found within the expression (grouping.

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PS Algebra I

 when simplifying an expression, this is the procedure you must use: 1) simplify any grouping symbols found within the expression (grouping symbols: ( ), [ ], { }) 2) simplify any exponents (powers) and roots 3) simplify any multiplication and division in order from left to right 4) simplify any addition and subtraction in order from left to right

 PEMDAS! -”P”: parentheses (grouping symbols) -”E”: exponents (powers)/roots -”M”: multiplication -”D”: division -”A”: addition -”S”: subtraction “Please excuse my dear Aunt Sally” Any others?

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