Respuesta:
20
Explicación paso a paso:
2(7x - 30) + 2( 3x + 10) = 360
14x - 60 + 6x + 20 = 360
20x - 40 = 360
20x = 400
x = 400/20
x = 20
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Respuesta:
20
Explicación paso a paso:
2(7x - 30) + 2( 3x + 10) = 360
14x - 60 + 6x + 20 = 360
20x - 40 = 360
20x = 400
x = 400/20
x = 20