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If you calculated x - y = z

then calculate z + y.

If the answer is x your calculation is fine. If not, one of the sums went wrong.

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13y ago

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Related Questions

What is the definition of inverse oporation?

An operation usually used in solving equations which is the exact opposite of the original problem in order to isolate the variable. Addition and subtraction are inverse operations. Squaring and square roots are opposites. etc


How can you use inverse operations to check your answer to a decimal addition problem?

If you have calculated A + B = C then you can calculate C - A. If the answer is B then the first sum is correct.


What happens to the decimal in an subtraction problem?

You bring it straight down.


Do you have to line up the decimal?

in a multiplication problem, you don't have to. in addition & subtraction, you do


When addition subtraction and multiplication are use in a problem in that order which get done first?

In mathematical operations, addition, subtraction, and multiplication are governed by the order of operations, often remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)). When addition, subtraction, and multiplication are used in a problem, multiplication is performed first, followed by addition and subtraction, which are executed from left to right. Thus, in a sequence where these operations appear together, multiplication takes priority over addition and subtraction.


When do people use inverse operation?

people use inverse operations when there is a number like -3 then you change it to a regular problem like 3. you use it when something is opposite to the regular problem.


How can you use invers operations to chek your answer to a decimal subtracions problem?

Add the result of the subtraction to the number you were subtracting and you should get the number from which you subtracted. example 246.8 - 35.15 = 211.65 To check add 211.65 + 35.15 and see if you get 246.8


What do you call the answer to subtraction problem?

The answer in a subtraction problem is difference.


What do order of operations means explain?

Order of Operations is like when you have a problem i always use PEMDAS it means parenthesis, expoents, mulitipication, divide, addition, Subtraction follow it.


How would you describe the order of operations to solve any given problem?

Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction


Why would you use addition to solve a subbtraction problem?

Addition can be used to solve a subtraction problem by using the concept of inverse operations. By adding the opposite of a number to another number, the result will be the same as subtracting the first number from the second number. This can be helpful in mental math or when trying to simplify complex subtraction problems.


Can a subtraction problem can be called a sum?

No, the answer in a subtraction problem is the difference.