Question

Which number sentence shows one way to find the sum of 4 and 5?

Answer 1

x-5=4 or simply 4+5

Explanation:

Im not sure if this is how you mean they both have a way of showing the sum of 4 and 5.

Answer 2

4 + 4 + 1 = 9

Explanation:

to solve this, we first find the sum of 4 and 5, which is 9.

Then, we can observe our answer choices, and see that option 4.) would be correct, because the sum still is equal to nine, even though the numbers are different from the original problem.