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Mathematics 14 Online
OpenStudy (anonymous):

Determine whether the equations is linear in the variable x and y. 1. 2x-3y=4 2.3x-4xy=0 3. (3/y)+(2/x)-1=0 4.x^2+y^2=4 5. 2sinx-y=14 6. (sin2)x-y=14

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