Respuesta:
12
Explicación paso a paso:
Eliminamos entreparéntesis
x-9+x-7 = 8
2x-9-7 = 8
2x-16 = 8
2x = 24
x = 12
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Respuesta:
12
Explicación paso a paso:
Eliminamos entreparéntesis
x-9+x-7 = 8
2x-9-7 = 8
2x-16 = 8
2x = 24
x = 12