1.

Hey guys can anyone give me the answer of this question please ​

Answer»

ANSWER:

b.)71

Step-by-step explanation:

let DIGIT at unit PLACE be x.

According to question,

7+x= 8x

8x-x-7=0

7x-7=0

x=7/7=1

Therefore, digit at unit place is 1 and at tens place is 7(GIVEN) So are NUMBER is 71



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