SOLUTION: Can someone help me solve this?:
{{{ log( 5, x ) + log ( 5, 125 ) /log ( 5, x ) = 7/2 }}}
Algebra.Com
Question 1121541: Can someone help me solve this?:
Found 2 solutions by josgarithmetic, Boreal:
Answer by josgarithmetic(39627) (Show Source): You can put this solution on YOUR website!
Use that to make the substitution for ,
and you can write
.
There is no "moving v underneath". There is not yet any "".
Solve this for v.
Next steps may be, multiply left and right sides by lowest or simplest common denominator of . (Basic fractionss skills).
-
----------maybe you can continue on your own from this.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
log 5 x=z
z+(3/z)=7/2
z^2-3.5z+3=0
2z^2-7z+6=0
(2z-3)(z-2)=0
z=3/2 and z=2
log 5 x=2
x=25 That checks in that 2+3/2=7/2
log 5 x=1.5
x=11.18 that checks in that 1.5+3/1.5=7/2
RELATED QUESTIONS
please help me solve this
log (6x+5) - log (3) = log (2) - log... (answered by solver91311)
please help me solve this equation 2log x - log 5 = log... (answered by saifoo.khan)
Please help me solve: log base 5 (7+x) + log base 5 (8-x) - log base 5 2 =... (answered by stanbon,scott8148)
please help me solve this equation
1/4 log x-3 log y-log... (answered by MathLover1)
Can someone please help me?
Solve for x in terms of k
log{subscript 5}x +... (answered by stanbon)
log base 5(x)+log base 25... (answered by lwsshak3)
log(base 125)x - log(base 5)x =... (answered by lwsshak3)
Solve for x:
a) log base4 (x+2) + log base4 (n-4)=2
b) log base2 (x^2-2) - log base2... (answered by stanbon)
help me solve 5^x = 7*3^x the answer the teacher gives is x =... (answered by user_dude2008)