If 2^(2x) + 3 = 14, find 2^x.
2^(2x) + 3 = 14
(2^2)^x = 11
4^x = 11 take the log of both sides
log 4^x = log 11
x ( log 4) = log 11
x = log (11) / log (4) ≈ 1.73
2^(x) = 2^( log 11 / log 4) = 3.317