An easy way to remember this correct order is to use PEMDAS. Just type in sums like these see Order of Operations for more detail. Fourth we solve all addition and subtraction from left to right.
Order of Operations Calculator.
A popular way of remembering the order is the acronym PEMDAS. After you have done P and E just go from left to right doing any M or D as you find them. Fourth we solve all addition and subtraction from left to right. 234 or 343.