Question

Twice a number when increased by 7 gives 25 the number is

Answer 1

Answer:

Step-by-step explanation:

Let, the number be x.

Twice the number increased by 7 gives 25.

So, the equation would be.....

2x+7 = 25

2x = 25-7

2x = 18

x = 18/2

x = 9

Answer 2

Answer:

The number is 9.

Step-by-step explanation:

Given

Let the number be x.

$2x+7=25$.......Eq. i

To find the number i.e x

Solution:

On solving Eq. i

$2x+7=25\\\\or, 2x=25-7\\\\or, 2x=18\\\\x=\frac{18}{2} \\\\x=9$

Hence, the number is 9.