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Método
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Reducción
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Sustitución
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Igualación
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Paso 1
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Paso 2
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Paso 3
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Paso 4
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Paso 5
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Paso 6
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Paso 7
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Paso 8
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Paso 9
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ACTIVIDAD 2
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amarillo - reducción
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verde - sustitución
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rojo – igualación
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2x + 5y=17
3x - 8y= -52
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2x + 5y=17
3x - 8y= -52
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2x + 5y=17
3x - 8y= -52
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3(2x + 5y=17)
-2(3x - 8y= -52)
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x= 17 -5y
2
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x= 17 -5y
x=-52+8y
2 3
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3(17 -5y) - 8y= -52
2
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17 -5y = -52+8y
2
3
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6x+15y= 51
-6x + 16y= 104
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51 -15y -8y =-52
2
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6x+15y= 51
-6x + 16y= 104
0
+31y= 155
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3(17 -5y)=2(-52+8y)
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y= 155/31
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51 -15y= -104+16y
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51-15y-16y=-104
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-15y-16y=-104 -51
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y=5
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-31y=-155
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2x + 5(5)= 17
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-15y-16y=-104-51
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-31y= -155
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y=-155/-31
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2x+25=17
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2x= 17-25
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y=5
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y=5
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2x + 5(5)= 17
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2x= -8
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2x + 5(5)= 17
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2x+25=17
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2x+25=17
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x=-8/2
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2x= 17-25
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2x= 17-25
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x= -4
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2x= -8
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2x= -8
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x=-8/2
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x=-8/2
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x= -4
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x= -4
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