<u>Answer and Explanation</u>
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<em>The value of "c" is 4.</em>
<em>Here's why.</em>
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<em>What does c equal???</em>
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<em>Let's try using all numbers to find out what it is</em>
= 
<em></em>
= 
<em>So it's 4!</em>
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<em>Hope this helps! <3</em>
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