SOLUTION: Combine logarithms to solve for x:
a) ln (3-x) = 0.75
B) log x + log (2x+1) = 1
Algebra.Com
Question 743345: Combine logarithms to solve for x:
a) ln (3-x) = 0.75
B) log x + log (2x+1) = 1
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Combine logarithms to solve for x:
a) ln (3-x) = 0.75
3-x=e^(.75)
x=3-e^.75
x≈0.8830
..
B) log x + log (2x+1) = 1
log[(x)(2x+1)]=log(10)
x(2x+1)=10
2x^2+x-10=0
(2x+5)(x-2)=0
x=2
or
x=-5/2, (reject,x>0)
RELATED QUESTIONS
ln(log(x)-2)=5 Solve for x.
ln(a+b)+ln(a-b)-2lnc Use rules of logs to combine... (answered by Alan3354)
Solve for x.
a.) log sub2(log sub4{log sub3[log sub2 x]}) = -1
b.) log sub2(x+4)... (answered by MathLover1)
Use the Laws of Logarithms to combine the expression 3 log x −14 log(x^2 + 1) + 5... (answered by stanbon)
Solve each equation for x
A. 27^X=3^X+1
B. e^3x-1=12
C.log(x+3)-log x=log 2
D.log5 X+ (answered by jim_thompson5910)
Solve: log(4x+1)-log(2x+9)=0 for... (answered by lwsshak3)
write each equation so it contains no logarithms
1. log x + 3 log y = 0
2. 2 ln (x-1) = (answered by stanbon)
Please help!!I have been working on these for hours.
Solve each equation:
a.... (answered by Tatiana_Stebko)
solve for x: ln (log x) =... (answered by Edwin McCravy)
Solve log(ln(x))=0 for... (answered by MathLover1)