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Subtract 21. x + 21 - 21 = x.

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15y ago
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AnswerBot

6mo ago

The inverse operation of adding 21 is subtracting 21. This means that if you subtract 21 from a number, and then add 21 to the result, you will get back to the original number.

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12y ago

Subtract 28

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4y ago

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Q: What is the inverse operation of add 21?
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Related questions

What is an inverse operations for 4th grade math?

An inverse operation is when you do the opisite in math. For example when you subtract the inverse operation is to add.


What is the inverse operation of subtract 24?

Add 24.


What is the inverse operation of add 2?

nothing (0)


What is the inverse operation of subtract 20?

Add 20.


What is the inverse operation of subtract-63?

add-63


What is the inverse of operation mean?

It is a second operation that "undoes" the first.For example, the inverse of "add 2" is "subtract 2";the inverse of "divide by 7" is "multiply by 7";the inverse of "take the reciprocal" is "take the reciprocal".


What is inverse operation?

An inverse operation undoes the effect of another operation. For example, addition is the inverse operation of subtraction, and multiplication is the inverse operation of division. Applying an operation and its inverse leaves you with the original value.


What is an inverse operation subtract 5?

The inverse operation for subtract 5 is add 5. This is because whatever number you start with, if you first "subtract 5" and then "add 5" or if you first "add 5" and then "subtract 5" you are back to the number you started with.


What is the inverse operation of add negative 6?

subtract negative 6 or +6


How do you use the inverse operation to add 23?

Using the inverse operation is probably the most clumsy way of obtaining the answer.To add 23 to some known number x, you would be required to find the number y such that subtracting 23 from y (the inverse operation) would result in x. Why on earth would you do that?


What is the inverse operation of add 23?

You just subtract 23 (do the opposite operation to the same number).


How n-8 is solve in inverse operation?

y = n - 8 In this case you start with n and then subtract 8. For the inverse operation you start at the end and replace each operation by its inverse. So "subtract 8" is replaced by "add 8". That is it. n = y + 8