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what are the rules for order of operations. Finally additions and subtraction from left to right. Thus the expression 2 3 4 is interpreted to have the value 2 14 and not 4.
Always start with operations contained within parentheses. PEDMAS is just a way of remembering it. In these references parentheses and brackets mean the same thing.
A ddition and S ubtraction left-to-right Divide and Multiply rank equally and go left to right.
When performing arithmetic operations there can be only one correct answer. For example in mathematics and most computer languages multiplication is granted a higher precedence than addition and it has been this way since the introduction of modern algebraic notation. The order of these operations states which operations take precedence are taken care of before which other operations. For instance 2 3 is 2.