Respuesta:
x = 28
Explicación paso a paso:
2x + 1 = 57
2x = 57 - 1
2x = 56
x = 56/2
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Respuesta:
x = 28
Explicación paso a paso:
2x + 1 = 57
2x = 57 - 1
2x = 56
x = 56/2
x = 28