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Simplify -3-(-9) help please!!!
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1 vote
Simplify -3-(-9)


help please!!!

User Ulas Keles
by
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1 Answer

4 votes
To eliminate the parenthesis you must use the rule of the signs: negative times negative = positive.

=> - 3 - ( - 9) = - 3 + 9

Now you can add the numbers algebraically: - 3 + 9 = 9 - 3 = 6.

Result: 6
User ViVi
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