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Mathematics 7 Online
OpenStudy (anonymous):

find the additive inverse of 7 - 2m

OpenStudy (dumbcow):

c'mon you should know this now...flip the signs

OpenStudy (anonymous):

-7+2m

OpenStudy (anonymous):

See when a number and its additive inverse are added, the sum is zero if u hv -7, its additive inverse is 7 becoz -7 + 7 = 0 Here we have 7 -2m if we add opposite of each part ie. -7 for 7 and -2m for 2m, then sum is zero

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