Question

solve :8^x-1=2^x+3 with the solution ​

Answer 1

Answer:

x=3

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Answer 2

$8^{x-1}=2^{x+3}\\2^{3(x-1)}=2^{x+3}\\3(x-1)=x+3\\3x-3=x+3\\2x=6\\x=3$