Respuesta:
x = 6
Explicación paso a paso:
Despejamos x
7 + 2x = 19
2x = 19 - 7
x = 12 / 6
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Respuesta:
x = 6
Explicación paso a paso:
Despejamos x
7 + 2x = 19
2x = 19 - 7
x = 12 / 6
x = 6