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Mathematics 21 Online
OpenStudy (anonymous):

-9 - -1 = negative ten negative eight positive eight positive ten

OpenStudy (cggurumanjunath):

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OpenStudy (anonymous):

negative eight

jigglypuff314 (jigglypuff314):

-9 - -1 = -9 + 1 or 1 - 9

OpenStudy (anonymous):

when subtracting a negative it becomes adding a positive

OpenStudy (anonymous):

so -6 - +7 = +1

jigglypuff314 (jigglypuff314):

no because it would be -6 - 7

OpenStudy (anonymous):

ok yeah I remember a - + + = -

OpenStudy (anonymous):

does a - + - = - ???

jigglypuff314 (jigglypuff314):

yes :)

OpenStudy (anonymous):

yep

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