Question

The sum of twice a number and five is fifteen. Find the number.​

Answer 1

Answer:

5(2x+3) = 15

10x + 15 = 15

10x= 0

x = 0

Answer 2

QUESTION :

The sum of twice a number and five is fifteen. Find the number.

ANSWER :

Let the number be x,

The sum of twice a number and five = 2x + 5

According to the Question,

2x + 5 = 15

2x = 15 - 5

2x = 10

x = 5

Therefore, the number is 5

FINAL ANSWER : 5