Respuesta:
x = 8
Explicación paso a paso:
2(x+7) = 30
2x + 14= 30
2x = 30 - 14
2x = 16
x = 16 : 2
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Respuesta:
x = 8
Explicación paso a paso:
2(x+7) = 30
2x + 14= 30
2x = 30 - 14
2x = 16
x = 16 : 2
x = 8