Question

the predecessor of successor of -21 is​

Answer 1

Step-by-step explanation:

Predecessor of -21=-21-1

=-22

Now The SUCCESSOR OF -21=-21+1

=-20

Hope it HELPS YOU.................. ☜☆☞

Answer 2

The predecessor of successor of - 21 is - 21

Given : The number is - 21

To find : The predecessor of successor of - 21

Tip :

For any given number N , the successor is obtained by adding 1 with the number and the predecessor is obtained subtracting 1 from the nu

The successor of N = N + 1

The predecessor of N = N - 1

Solution :

Step 1 of 3 :

Write down the given number

The given number is - 21

Step 2 of 3 :

Find the successor of - 21

The successor of - 21 is obtained by adding 1 with - 21

The successor of - 21

= - 21 + 1

= - 20

Step 3 of 3 :

Find the predecessor of - 20

The predecessor of - 20 is obtained by subtracting 1 from - 20

The predecessor of - 20

= - 20 - 1

= - 21

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