32 = 3n - 7
(add 7 to both sides)
39 = 3n
(divide both sides by 3)
13 = n or n = 13
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The number 100 is ten times less than 1000.
7
20 less than 2 times a number is 40 = 2x - 20 = 40Let x = the number2 times a number = 2x20 less than = - 20is 40: =40Translating it into mathematical symbols :2x - 20 = 40
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Thirty decreased by three times a number is six less than three times the number. Find the number.