SOLUTION: I need your help with this problem! Use a graphhing calculator to solve the following equation for x. 2^x=19 The solution set is (Simplify your answer. Type an integer or a

Algebra ->  Graphs -> SOLUTION: I need your help with this problem! Use a graphhing calculator to solve the following equation for x. 2^x=19 The solution set is (Simplify your answer. Type an integer or a      Log On


   



Question 422225: I need your help with this problem!
Use a graphhing calculator to solve the following equation for x.
2^x=19
The solution set is
(Simplify your answer. Type an integer or a decimal rounded to the nearest thousandth.)

Found 2 solutions by Gogonati, richard1234:
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
Answer: The equation 2%5Ex=19, is an exponential equation, to solve it we use the logarithms.
log2%5Ex=log19
x%2Alog2=log19
x=log19%2Flog2.

Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Take log base 2 of both sides.

x+=+log%282%2C+19%29

Most graphing calculators should be able to evaluate logarithms at bases other than 10 and e (at least mine does).