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Jaylee
Mathematics
21 November, 22:58
1/y - 1/x = 1/60
3y - 2x = 6
(Simultaneous question)
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Ibrahim Hayes
21 November, 23:09
0
1y - 1/x = 1/60 = x*y = 60 = x=60/y
3y - 2 (60/y) = 6
3y^2-120=6y
3 (y^2-40-2y) = 0
y^2-40-2y=0
y = 7.4
3 (7.4) - 2x=6
22.2-2x = 6
2x = - 16.2
x = - 8.1
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