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30-10-2015
Mathematics

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What is 7 less than the product of twice a number is greater than 5

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30-10-2015

In mathematical expression, the equation then becomes 7 - 2n = 5

The next procedure is to find the unknown.
1. 7 - 2n = 5
2. -2n = 5 - 7
3. -2n = -2
4. n = -2/-2
5. n = 1

Check:
Substitute n = 1

7 - 2 (1) = 5
7-2 = 5
5=5

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