SOLUTION: {{{ 4 ^ (5x+2) = 70}}}

Question 199944:
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!

use logs

the log equiv of exponents

:
.602(5x+2) = 1.845
:
5x + 2 =
5x + 2 = 3.0646
:
5x = 3.0646 - 2
:
5x = 1.0646
x =
x = .213
:
;
Check solution with a calc: enter 4^(5(.213)+2) = 70.0
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