Question

Twice a number added to half of itself equals 20. Find the number.

Answer 1

Let no. Be y
2y+y/2=20
4y+y=40
5y=40
Y=8

Answer 2

If twice a number added to half of itself equals 20, the required number is 8.

Explanation:

Let the required number be x. Then we have been given that twice the number added to half of itself equals 20. We can formulate a linear equation based on the given information as follows:

$2x + \frac{x}{2} = 20$

Solving the above equation for x would give us the required number.

⇒ $4x + x = 40$

⇒ $5x = 40$

⇒ $x = 8$

Therefore, the required number is 8.

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