algebra subtraction
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algebra subtraction
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algebra subtraction
Rules for subtracting real numbers:
1. a - b = a + (-b)
2. a - (-b) = a + b
To subtract b, you add the opposite of b.
Example 1:
Subtract -3 - 5.
-3 - 5 = -3 + (-5) = -8.
Note: Subtracting 5 is the same as adding a -5.
Example 2:
Subtract -3 - (-5).
-3 - (-5) = -3 + 5 = 2.
Note: Subtracting -5 is the same as adding 5.
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