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If 3 times a number minus 2 equals 13, what is the number? A. 5 B. 4 C. 2 D. –6
3n - 2 = 13 3n = 13 + 2 3n = 15 n = 15 / 3 n = 5
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Asked 9/13/2014 12:09:00 AM
Updated 9/13/2014 3:11:52 AM
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3n - 2 = 13

3n = 13 + 2

3n = 15

n = 15 / 3

n = 5
Added 9/13/2014 3:11:52 AM
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1 Answer/Comment
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1 Answer/Comment
four times a number plus 3 is 11, the expression is: 4x + 3 = 11 where x is the number.
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Added 9/14/2014 7:30:39 PM
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Updated 9/13/2014 8:18:46 AM
1 Answer/Comment
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Added 9/13/2014 8:18:46 AM
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