33 + 18 = 29 +
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21
-
24
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32
-
22
Reveal answer
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Correct answer
Explanation
To solve: 33 + 18 = 51, so 29 + ? = 51. Therefore, 51 - 29 = 22. The answer is 22. This is a basic arithmetic equation requiring you to find the missing number that balances both sides.
AI explanation
33 + 18 = 51, and 51 − 29 = 22, so the missing number that makes both sides equal is 22. This is a straightforward balance-the-equation arithmetic check.