Question

four fifth of a no. decreased by 7​

Answer 1

Answer:

7 - 4/5x

Step-by-step explanation:

let the no. be x

it's fouth fifth 4/5x

A/Q

7-4/5x

Answer 2

Answer:

35

Step-by-step explanation:

Let the no. be 'x'

Then the decreased no. will be x-7

So,4/5×x=x-7

or 4x/5=x-7

or 4x=5(x-7)

or 4x=5x-35

or 5x-4x=35

or x=35