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Find the value of the letters and give reason for the steps involved.

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Find the value of the letters and give reason for the steps involved.

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∵ A + 5 = 2 

∴ A + 5 = 12 or 22 or 32 etc. 

∴ A = 12 – 5 = 7 or 22 – 5 = 17 

∴ A = 7 (∵ A = 17 is not possible)

Hence, A = 7, B = 6 Ans.

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