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Mathematics 14 Online
OpenStudy (anonymous):

Evaluate 7 - (-1).

OpenStudy (anonymous):

8

TheSmartOne (thesmartone):

when you subtract a negative number, you have to add so a - (-b) = a + b So, what is 7 + 1 = ?

OpenStudy (anonymous):

because a negative + a negative = a positive

OpenStudy (anonymous):

thnx guys

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