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  • Pregunta: Use Cramer's rule to solve each system of equations. IfD-0, then use another method to determine the solution set. See E mples 5-7. 63. x+y=4 64. 3x + 2y =-4 68. 4x + 3y = -7 - 2xy = 2 2x- y-- 2x+3y=-11 66. 4x - y-0 67. 5x + 4y = 10 68. 3x + 2y = -4 2x + 3y = 14 3x - 7y - 6 5x - y = 2 69. 1.5x + 3y = 5 70. 12x + 8y - 3 71. 3x + 2y = 4 2x + 4y = 3 1.5x + y =

    Section 9.3

    number 84 is all I need

    student submitted image, transcription available below

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    Hay 2 pasos para resolver este problema.
    Solución
    Paso 1

    Given,

    The equation is

    3x+5y=−7,2x+7z=2,4y+3z=−8

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    Paso 2
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    Respuesta
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Texto de la transcripción de la imagen:
Use Cramer's rule to solve each system of equations. IfD-0, then use another method to determine the solution set. See E mples 5-7. 63. x+y=4 64. 3x + 2y =-4 68. 4x + 3y = -7 - 2xy = 2 2x- y-- 2x+3y=-11 66. 4x - y-0 67. 5x + 4y = 10 68. 3x + 2y = -4 2x + 3y = 14 3x - 7y - 6 5x - y = 2 69. 1.5x + 3y = 5 70. 12x + 8y - 3 71. 3x + 2y = 4 2x + 4y = 3 1.5x + y = 0.9 - 6x + 4y=8 72. 4x + 3y = 9 12x + $y = 27 74. ***+ = 16 -innie 75. 2x – y + 4z =-2 3x + 2y - z = - 3 + + 4y + 2z = 17 78. 2x - y + 3z = 1 -2x + y - 3z = 2 5x - y + z = 2 76. + y + z = 4 77. x+2y + 32 = 4 2 x – y + 3z = 4 4x + 3y + 22 = 1 4x + 2y - := -15 -* - 2y - 32 = 0 79.-2x - 2y + 3z = 4 80. 3x – 2y + 4z = 1 5x + 7y - 2-2 4x + y - 5z = 2 2x + 2y - 3x = -4 -6x + 4y - 8z = -2 82.2.- 3y + :- 8=0 + 4 = 0 3x - Sy +2 12 = 0 81. 4x - 3y + 2 + 1 - 0 5x + 7y + 2 + 2 = 0 3x - 5y - 3-1 = 0 83. 5x - y - 4 3x + 2 - 4 4y + 31 - 22