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If a and b are any two real numbers, explain how you calculate the difference . Be sure to include each of the following in your explanation.

AA description of the relationship between addition and subtraction
BHow you can use a number line to help with the calculation
CHow you can determine the sign of the result

Verified Answer :

apologiabiology

diffference between a and b
a-b

a. addition and subtraction
subtraction is adding, but going backwards in oposite direction

b.  negative, go to left, postive go to right

c. if negative is more than positive, then ending sign is negaitve
if positive is more than negative, then sign is positive

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