SOLUTION: Three times the difference of a number and 7 is 18
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Question 1090964
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Three times the difference of a number and 7 is 18
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josmiceli, Alan3354
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Three times the difference of a number and 7 is 18
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the difference of a number and 7 can be n-7 or 7-n
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3*|n - 7| = 18
|n - 7| = 6
n - 7 = 6
n = 13
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7 - n = 6
n = 1