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The sum of three times a number and 11 is 32. Find the number. - Mathematics

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Sum

The sum of three times a number and 11 is 32. Find the number.

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Solution

If the unknown number is taken to be x, then three times the number is 3x and the sum of 3x and 11 is 32.

That is, 3x + 11 = 32.

3x = 32 – 11
3x = 21

Now, divide both sides by 3

So, x = `21/3` = 7

The required number is 7.

Concept: Applications of Simple Equations to Practical Situations
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