Q: Why is the sum of two opposites easy to calculate?

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Zero

It is zero and that is simply because that is how additive opposites are defined.

"Opposites" cannot mean additive opposites since, by definition, their sum must be 0. So "opposites" is likely to mean multiplicative opposites. This gives the equation x + 1/x = 100 Then the two numbers are 0.010010 and 99.989999 to 6 dp.

Placing a question mark at the end of a phrase does not make it a sensible question. Try to use a whole sentence to describe what it is that you want answered.One possible answer to the question, as asked, is that the sum of two negative numbers is easy to calculate.

You add the two numbers together, then divide the sum by two.

Related questions

Zero

It is zero and that is simply because that is how additive opposites are defined.

If the negative has a greater absolute value, the sum will be negative. If the positive has a greater absolute value, the sum will be positive.

"Opposites" cannot mean additive opposites since, by definition, their sum must be 0. So "opposites" is likely to mean multiplicative opposites. This gives the equation x + 1/x = 100 Then the two numbers are 0.010010 and 99.989999 to 6 dp.

Multiply it by two, then divide that by three.

Placing a question mark at the end of a phrase does not make it a sensible question. Try to use a whole sentence to describe what it is that you want answered.One possible answer to the question, as asked, is that the sum of two negative numbers is easy to calculate.

You add the two numbers together, then divide the sum by two.

the sum of two consecutive integers is -241, what is the larger integer?

If the question is asking for the sum of natural numbers between two members of N, then you will have to add all the natural numbers between the two numbers (excluding the actual two numbers). For example, if they ask you to calculate the sum between 2 and 5, your answer should be 3+4=7.

That means that you calculate the cubes of two numbers, and then either add or subtract them.

The sum of two numbers is the result of multiplying those numbers together. It can also be referred to as repetitive addition.

opposites, additive inverses