Question

Twice a number added to 3 times itself is equal to 90 . Find the number ​

Answer 1

Let N = number twice a number = 2N  

3 times itself = 3N So, twice a number added to 3 times itself is equal to 90  

2N+3N = 90

5N = 90  

N =90/5  

N = 18  

The answer is 18.

Answer 2

Answer:

18

Step-by-step explanation:

Let N = number

twice a number = 2N

3 times itself = 3N

So,

twice a number added to 3 times itself is equal to 90

2N+3N = 90

5N = 90

N =90/5

N = 18

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