3 years ago

+23-(-20)=43 how is that so?Explanation included

Mathematics

1 answer:

valina [46]3 years ago

7 0

Answer:

Well, when adding and subtracting negatives

You can change the symbol and positive or negative of the second number like

2 + (-1) is equal to 2 - 1

23 + 20 = 43

Therefore, 23 -(-23) = 43 because when you take away a debt you add to your balance.

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you want to combine them so y=3x-4 so subsitute y

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--- ---

13 13

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3 years ago

+23-(-20)=43 how is that so?Explanation included​

+23-(-20)=43 how is that so?Explanation included