Respuesta:
4x + 15y = 34............. 1
x + 15y = 26................2
x=26-15y
remplazando 2 en 1
4(26-15y) + 15y = 34
104-60y +15 y=34
-60y +15y=34-104
-45y= -70
y=70/45
y=14/9
remplazando y en 2
x + 15y = 26
x + 15(14/9)= 26
x=26-70/3
x=8/3
Explicación paso a paso:
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Respuesta:
4x + 15y = 34............. 1
x + 15y = 26................2
x=26-15y
remplazando 2 en 1
4(26-15y) + 15y = 34
104-60y +15 y=34
-60y +15y=34-104
-45y= -70
y=70/45
y=14/9
remplazando y en 2
x + 15y = 26
x + 15(14/9)= 26
x=26-70/3
x=8/3
Explicación paso a paso: