Solve for x:
a) `log_(x)2. log_(2x)2 = log_(4x)2`
b) `5^(logx)+5x^(log5)=3(a gt 0),` where base of log is 3.

Explanation

a) x=5, b) x=10, `c=2^(sqrt(2))` or `2^(sqrt(-sqrt(2)))`, d) `x=2^(-loga)`, where base of log is 5, e) `x=5`