Simpilyjazzily17
Simpilyjazzily17
24-08-2016
Mathematics
contestada
Please help me need by tomorrow
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BigBanana
BigBanana
24-08-2016
When subtracting a positive from a negative, you add. So 90 - -2 is 92. My teachers always used to transform the two subtraction signs into an addition sign for visual assistance. Hope this helps
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