what have you observed about 12-3 and 12 + (-3)? how about (-8) - 7 and -8 + (-7)? 10 - (-4) and 10 + 4?
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what have you observed about 12-3 and 12 + (-3)? how about (-8) - 7 and -8 + (-7)? 10 - (-4) and 10 + 4?
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Answer:
i observed this equation like all of that is also the same while if you solve 12-3= 9 then 12 + (-3)=9 the answer is the same