Question

If 5 is subtracted from three times a number, the result is 16. find the number.​

Answer 1

Step-by-step explanation:

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Chapters in CONCISE Mathematics - Middle School - 7

Exercises in Simple Linear Equations (Including Word Problems)

Question 14

Q14)If 5 is subtracted from three times a number, the result is 16. Find the number.

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Solution :

Let the number to be x

According to the condition,

3x-5=16

⇒3x=16+5

⇒3x=21

⇒x=\frac{21}{3}

⇒x=7

∴The required number is 7.

Answer 2

$Let \: the \: Number \: be \: x$

$3x - 5 = 16$

$3x = 16 + 5$

$3x = 21$

$x = \frac{21}{3}$

$x = 7$