Best Answer

Think of x as a number

lets say that x is 5

so 8+5=13

5+8=13

however

5-8= -3 because i am taking away -8 from 5

8-5= 3 because i am taking away 5 from 8

in subtraction you need to be aware of the minus sign and what number to in front of it.

Q: Why is it correct to write the sum of a number and 8 as either x plus 8 or 8 plus x but the difference of number and 8 must be written as x-8 and not 8-x?

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The difference can be written as (x - 27) or as (27 - x).

That is correct.

Yes - the only difference is the number of decimal places to which the number has been written.

Because you can multiply 1 to other numbers.I'm correct?

It is usually irrational but it can be rational if the ration number in the pair is zero. So the correct answer is "either".

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That is correct.

The difference can be written as (x - 27) or as (27 - x).

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That is correct.

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43 and 1 have. There are an infinite number of other correct answers.

Because you can multiply 1 to other numbers.I'm correct?

Yes - the only difference is the number of decimal places to which the number has been written.

It is usually irrational but it can be rational if the ration number in the pair is zero. So the correct answer is "either".

The first counting number is 1. There is some disagreement over the smallest natural number. It is either 0 or 1 so your answer is either 0 or 1.