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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

Let the number be 10x+y. Digits of number are x and y. According to Question, x+y=12 ...(i) x-y=4 ...(ii) Adding (i) and (ii), ⇒2x=16 ⇒x=8 ⇒x+y=12 [From (i)] ⇒8+y=12 ⇒y=4 Therefore, The number is 10x+y=(10*8)+4 = 84, which is greater than 50.