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[" 4"f(x):y=3:4(3)/(8)," it "(7x+3y):(7x...

[" 4"f(x):y=3:4(3)/(8)," it "(7x+3y):(7x-3y)" ard "(7)/(8)x pi-],[[" (a) "5:2," (b) "4:3," (c) "11:3," (d) "37:19]]

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