Respuesta :

Answer:

907

Step-by-step explanation:

1,404 - 497=907

Answer:

907

Step-by-step explanation:

let x be the missing number

if 497 + x = 1404

you isolate the x

x=1404-497

x=907

you can check the work on a calc to see if 497 +907 = 1404 :)

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