Question

twice a number subttacted from 10 gives 2​

Answer 1

Given-

Twice a number subtracted from 10 gives 2​

To find-

Original number

Solution-

Let, The original number is  

We can write given information as

$2x-10=2$ . . . . . . . . . (1)

Shift 10 to right it becomes +10

$2x= 2+10$

$2x= 12$

2 goes to right and it becomes divide to 12

$x= \frac{12}{2}$

$x= 6$

∴ The Original number is 6.

By putting these x value in equation 1 you can cross check it.