A unt S ally. This phrase may help you to remember the order of operations. When more than one grouping symbol is present,begin with the innermost set. E Exponents Evaluate all exponents. M, D Multiplication, Division Do all multiplication and division in order from left to right.
Subtraction Do all addition and subtraction in order from left to right.
To simplify an algebraic expression means to rewrite the expression in a simpler form by removing grouping symbols and combining like terms. Like terms must contain identical variable factors. 7 and 14. The variable factors remain unchanged. Combine like terms.