Mathematicians have agreed on a standard order for performing operations to ensure everyone gets the same answer. This is often remembered by acronyms like PEMDAS (Parentheses, Exponents, Multiplication/Division, Addition/Subtraction) or BODMAS.
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Pro Tips
Multiplication and Division are equal priority (left to right).
Addition and Subtraction are equal priority (left to right).
Always solve inside parentheses first.
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Fun Facts
"The order of operations was established to avoid ambiguity."