Find my Number

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I am thinking of a number. Thrice my number plus 15 equals 87. what is my number?


The answer is 24.

Althea Ruth Dorado by Althea Ruth Dorado , 27, Philippines

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2 solutions

Vishal S
Dec 14, 2014

3x+15=87

=>3x=87-15

=>3x=72

=>x=72/3

=>x=24

therefore the number is 24

0 Helpful 0 Interesting 0 Brilliant 0 Confused

3x + 15= 87

3x + 15 - 15 = 87 - 15 (Additive Property of Equality)

3x = 72

x = 24

0 Helpful 0 Interesting 0 Brilliant 0 Confused

you may present other solution.. :)

Althea Ruth Dorado - 6 years, 8 months ago

This was a very simple question!!

Anagha Nair - 6 years, 6 months ago

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