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max2010maxim [7]
3 years ago
6

Find the sum of 456 and its opposite.

Mathematics
1 answer:
vazorg [7]3 years ago
8 0
It’s sum is 456 and it’s opposite is 654
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Answer:

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Step-by-step explanation:

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4x-2y=-1 -4x+4y=-2 please help
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