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According to the rules of operations, we first place the multiplication exercise in parentheses:
Now we obtain the exercise:
We reduce the subtraction exercise:
We obtain the exercise:
We move 53 to the other side and change to the correct sign:
\( 8 + 3 \times 2 = \)
Mathematics has a specific order of operations (PEMDAS) that everyone follows. Without it, could mean different things to different people!
The ? is an unknown variable - a missing number we need to find. It's just like using x or y in algebra, but written as a question mark to show we're looking for it.
First, simplify everything you can on the left side: . Then you have . Subtract 53 from both sides to get .
If substituting your answer doesn't give you 60, check your order of operations! Make sure you multiplied 8×7 first, then subtracted 3, then added your answer.
No! Order of operations is a fundamental rule in mathematics. Ignoring it will give you the wrong answer every time. Think of it like following a recipe - you must do steps in the right order.
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