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1 solution
16^x + 16^x-1 = 10
We take 16^x common,
16^x(1+16^-1) =10
16^x(1+1÷16)=10
16^x(17/16)=10
16^x can also be written as, 2^4x
2^4x×17/16=10
17×2^4x =16×10=160