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What is equal to -15?
a) -5+10 b)-5-10 c)-5+(-10) d) -5-(-10)

User Galaxis
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1 Answer

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- 5 + 10 = 5 ( False )
- 5 - 10 = - 15 ( True )
-5 + ( - 10 ) = - 15 ( True )
-5 - ( - 10 ) = - 5 + 10 = 5 ( False ) ;
The correct answers are b) and c).
User Nicoretti
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