Respuesta:
5
Explicación paso a paso:
2x - 1 = 9
2x = 9 + 1
2x = 10
x = 10 / 2
x = 5
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Verified answer
Respuesta:
5
Explicación paso a paso:
2x - 1 = 9
2x = 9 + 1
2x = 10
x = 10 / 2
x = 5