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PLEASE HELP Consider the equation.

28 + 21 = 7(4 +? )
Enter the unknown number that makes the equation true.

User Lightsaber
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2 Answers

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The missing number is 7
User Lingyan
by
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1 vote

Answer: 3

Explanation:

28 + 21 = 49, so we have 49 = 7(4+?)

49/7 = 7

7 - 4 = 3

Hope this helps!

User Elister
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