Question: xy + y? + x = 7 1. y +x 1+2y + 3x2 x+ 3.r? + 2y = 0 (1) %3D (2) %3D (3)

xy + y? + x = 7 1. y +x 1+2y + 

xy + y? + x = 7 1. y +x 1+2y + 3x2 x+ 3.r? + 2y = 0 (1) %3D (2) %3D (3)

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