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20/ -10 = - 10/x Puedes simplificar ceros y los signos del primer
lado de la ecuacion 20/10 = 2 y + por - = - queda -2
-2/1 = - 10/x
-2x = -10
x = -10/-2
x = 5
Respuesta.
x = 5
20 (x) = -10 (-10)
20x = 100
x = 100/20
x = 5
Respuesta :
x = 5