Explicación paso a paso:
2x - 9y = 11
x + 12y = -8 (se multiplica por -2)
-----------------
33y = 27
y = 9/11
reemplazando hallemos el valor de x:
2x - 9(9/11) = 11
x = 20/11
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Verified answer
Explicación paso a paso:
2x - 9y = 11
x + 12y = -8 (se multiplica por -2)
-----------------
33y = 27
y = 9/11
reemplazando hallemos el valor de x:
2x - 9(9/11) = 11
x = 20/11