SOLUTION: solve - 5(2)^x-3=7.6 I can not figure this out!!! Help please...

Question 253095: solve -
5(2)^x-3=7.6
I can not figure this out!!!
Help please...
Answer by MRperkins(300) (Show Source): You can put this solution on YOUR website!
Ok, you start off with
add 3 to both sides

divide both sides by 5

take log base 2 of both sides

by using properties of logarithms, the left side will just be x.
Use the change of base formula on the right and you get
Using a calculator, I get x=1.0841
For more questions, contact me at justin.sheppard.tech@hotmail.com
Justin
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