Question

I think of a number -
I divide my number by 9.
The and answer is equal to first no.
of substracted from 90

What number did i think
I thought​

Answer 1

Answer:

the number is 81

Step-by-step explanation:

let the no be x

x/9=90-x

x/9+x=90

10x=810

x=81

Answer 2

Step-by-step explanation:

Let the number be x

=} dividing it by 9 =} x/9

according to the question,

$\frac{x}{9} = 90-x$

$x = 810-9x$

$10x = 810$

$x = \frac{810}{10}$

$x = 81$

therefore , the required no. is 81