10sofiat 10sofiat

18-01-2018
Mathematics

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What’s four less than five times a number equal to 11

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mathstudent55 mathstudent55

18-01-2018

a number: n
five times a number: 5n
four less than five times a number: 5n - 4
four less than five times a number equals 11: 5n - 4 = 11

5n - 4 = 11

5n = 15

n = 3

The number is 3.

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