Question

If we add 7 to twice a number. we get 49.Find the number. please answer​

Answer 1

Let the number = x

twice the number = 2x

according to the problem given,

2x + 7 = 49

2x = 49 - 7

2x = 42

x = 42/ 2

x = 21

Therefore ,

Required number = x = 21

Answer 2

Answer:

Let the number be x

given:

7 + 2x = 49

2x = 49-7

x = 42/2

so x = 21

Hope you understood!

:)