SOLUTION: {{{2^x=7}}} What is value of x? Could you explain how you got to the answer ?

SOLUTION: {{{2^x=7}}} What is value of x? Could you explain how you got to the answer ?

Algebra.Com

Question 495653:
What is value of x? Could you explain how you got to the answer ?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!

Take the log of both sides

x*log(2) = log(7)
x = log(7)/log(2)
x =~ 2.80735
RELATED QUESTIONS
x-9=(-12)...i got -21, but its wrong. My question is what is the answer and could you... (answered by Earlsdon)

my son is doing some form of algebra and i dont understand. one of the problems he had... (answered by jim_thompson5910,MathLover1)

Assume that x=2 is a zero of f(x)=x^2+3kx+2k^2 (that is, f(2)=0). Find the value(s) of k. (answered by jim_thompson5910)

Explain how could you find the value of X ? (answered by Alan3354)

I do not understand how they got the answer to a problem. Could you please explain how... (answered by ankor@dixie-net.com)

Which value of x makes the equation true? 3x^2 + 14x + 5 = 0 A. -5 and -1/3 B. 5... (answered by stanbon)

Hi, could you please check my answer for this question. If it is wrong, could you... (answered by stanbon)

I need a little help verifying an identity. If you could explain how you got the... (answered by lwsshak3)

What is the solution to the following system of equations? 2x + 3y = 6 x + y = 4... (answered by ewatrrr)