Respuesta:
Explicación paso a paso:
x + x + (7 + x ) + (7 + x ) = 34
4x + 7 + 7 = 34
4x = 34 - 7 -7
4x = 20
x = 20 : 4
x = 5
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Respuesta:
Explicación paso a paso:
x + x + (7 + x ) + (7 + x ) = 34
4x + 7 + 7 = 34
4x = 34 - 7 -7
4x = 20
x = 20 : 4
x = 5