Answer:
There are multiple expressions that are equivalent to 63 + 84
Explanation:
Some examples are:
1. 84 + 63 (commutative property of addition)
2. 147 (sum of the numbers)
3. 7 × 21 (distributive property of multiplication over addition)
4. 9² + 7² (squaring each number and adding the results)
5. 9 × 7 + 7 (factoring out a common factor)