I'm a little lost... I get all messed up when new things get thrown in please help! solve 7*3^x=10-3^x it has to be an exact answer... I don't know how to arrive there!
Follow Math Help Forum on Facebook and Google+
$\displaystyle 7 \cdot 3^x = 10 - 3^x $ $\displaystyle 8 \cdot 3^x = 10$ $\displaystyle 3^x = \frac{5}{4}$ can you finish?
I feel a little stupid now... thank you very much for your help!
View Tag Cloud