Question

by subtracting 20 from a number we get -17 . find the number ​

Answer 1

Answer:

• The certain number is 3.

Step-by-step explanation:

Let us assume that the certain number be x.

Given that:

• By subtracting 20 from a number we get -17.

⇒ x - 20 = - 17

To Find:

• The certain number.

Finding the certain number:

⇒ x - 20 = - 17

⇒ x = 20 - 17

⇒ x = 3

Verification:

Substituting the value of x,

⇒ 3 - 20 = - 17

⇒ - 17 = - 17

Hence, Verified.

Answer 2

Answer:

Let the unknown number be x

So, A.S.P (as per question), by subtracting 20 from x, we get -17

⇒ x - 20 = -17

⇒ x = -17 + 20

⇒ x = 3

∴ By subtracting 20 from 3, we get -17

Hope it helps you!!