eliminacion por igualacion 9X+8y=12 24x-60y=-29
9X+8y=12 24x-60y=-29
9x +8y -12=24x-60y +29
9x +8y -12-24x+60y -29= 0
(9x -24x)+ (8y+60y) - (12 - 29) = 0
-15x +68y - (-17) = 0
-15x + 68y + 17 = 0
-15x +17 = -68y
(-15x + 17). (-68) = y
-15x/(-68) + 17/(-68) = y
15x/68 -1/4 = y
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Saludos
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9X+8y=12 24x-60y=-29
9x +8y -12=24x-60y +29
9x +8y -12-24x+60y -29= 0
(9x -24x)+ (8y+60y) - (12 - 29) = 0
-15x +68y - (-17) = 0
-15x + 68y + 17 = 0
-15x +17 = -68y
(-15x + 17). (-68) = y
-15x/(-68) + 17/(-68) = y
15x/68 -1/4 = y
Ahora graficas y listo.
Saludos