Question

solve: 2^2x=8^x-1 for x

Answer 1

x = 3

do u want explanation???

Answer 2

2^(2x) = 8^(x-1)
2^(2x) = 2^3^(x-1)
2^(2x) = 2^(3x-3)
2x = 3x - 3
-x = -3
x= 3

Answer 3

4^x-8^x=-1
lol i was working with this... :D please put appropriate braces...

Answer 4

thanks guys!

Answer 5

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