Question

18. Twice a number increased by the product of 3 and that number is equal to 20.
Find the number

Answer 1

Step-by-step explanation:

let the number be x.

Twice the number means = 2x

Twice the number increase by 3 means =2x×3

Twice the number increase by 3 is 20 then means

2x×3=20

Therefore the solution to this equation will be as follows:

2x=20/3

2x=20/3

x=20/3\2

x=60/3

=> x=20

ans

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Answer 2

Answer:

The number is therefore 4.

Step-by-step explanation:

Here we have been given that we have to find the number in which twice of that number has been increased by the number and 3 is equal to 20. Therefore according to the above-given, we have the following:

Let the number be m.

We have,

$2m + 3m = 20$

⇒ $5m = 20$

⇒ m = 20 ÷ 5

⇒ m = 4

The number is found to be 4.