How do u solve
8x-4y=2
4x-2y=1...
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Mathematics, 21.06.2019 15:30
According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities
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Mathematics, 21.06.2019 17:10
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Mathematics, 21.06.2019 21:30
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