dubord reverse assumo 9000001 160000 090625 Assuma as equações a y2x 4 35 b 6x2x 16 c y 2x 4 d 5x 3z 4 1 9x 5 8 2 x 9 3 3 y a rc 4 y1 a x 5 y1 x 10 6 2r 10 11 7 10x7 3x 49 1 6x 1 6x 1 2 1x 2x 3x p and 7 2x 3 5 x 7 9 1 x x 4 P 2 x 1 2 4 x T 3 3 5x4 3x 24 4 4 4x r 3 x r w2 x 2 y 3x 4