In a math problem how do I know when to solve a problem from left to right versus using the acronym PEMDAS?

Question

P lease E xcuse M y D ear A unt S ally

Example:

( ) E xponets X D ivide A dd S ubtract

Answer 1

I think you use PEMDAS when it comes to Order of Operations

Answer 2

ALWAYS use PEMDAS when u used to solve from left to right problems just never broke the pemdas rules. You didnt realize it but u were doing Pemdas along

Answer 3

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