Respuesta:
x = 6
Explicación paso a paso:
(x + 15 ) = 84
(x + 15 ) = 84 :4
(x + 15 ) = 21
x = 21 - 15
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Respuesta:
x = 6
Explicación paso a paso:
(x + 15 ) = 84
(x + 15 ) = 84 :4
(x + 15 ) = 21
x = 21 - 15