logX49 - LogX7 + logx1/343 +2 = 0

My daughter is reading Class nine in ICSE board, I have not solved this math.
in Other Math Topics by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

logx(49)-logx(7) +logx(1/343)+2=0

logx(49)-logx(7) -logx(343)=-2

49/ (7*343)=x^-2

(49/2401)=x^-2

(2401/49)=x^2

x^2=49

x=7
by

Related questions

1 answer
2logy=0.5log16-log2+2log3
asked Oct 1, 2013 in Other Math Topics by anonymous | 2.2k views
3 answers
what is log base 4 of 0
asked Jan 21, 2016 in Calculus Answers by anonymous | 1.8k views
1 answer
how to solve log 50 + log (x/2)=0
asked Mar 17, 2015 in Algebra 2 Answers by anonymous | 1.7k views
2 answers
how to solve 12*ln(x) - x^(3/2) = 0
asked Sep 15, 2014 in Algebra 1 Answers by PeterJL Level 1 User (180 points) | 2.3k views
1 answer
solve log{base 12} v=0
asked May 27, 2014 in Algebra 2 Answers by anonymous | 691 views
1 answer
102*e^-0.025t=58
asked Jun 23, 2013 in Algebra 2 Answers by anonymous | 542 views
1 answer
find log 16 if log 2=0.3010
asked Jun 22, 2013 in Algebra 2 Answers by anonymous | 969 views
1 answer
Solve ln(1-5x)=0
asked Jun 20, 2013 in Algebra 2 Answers by anonymous | 1.8k views
1 answer
Solve for X using log form Log7*(2x)-Log7*(x+3)=0
asked May 15, 2013 in Algebra 2 Answers by anonymous | 761 views
1 answer
50e-0.647x = 125
asked Apr 18, 2013 in Algebra 2 Answers by anonymous | 632 views
1 answer
4(0.3)^x = 1.2^(x+2)
asked Apr 16, 2013 in Trigonometry Answers by anonymous | 643 views
1 answer
Log(9-t)+log(9+t)=0.3
asked Apr 14, 2013 in Algebra 2 Answers by anonymous | 650 views
1 answer
log base 2( log base 3( log base 4(x)))=0
asked Apr 8, 2013 in Calculus Answers by anonymous | 2.6k views
1 answer
solve 2log4-log3+2logx-4=0
asked Apr 7, 2013 in Trigonometry Answers by anonymous | 2.2k views
1 answer
Log base 5 of (x-4)=0
asked Feb 8, 2013 in Algebra 2 Answers by anonymous | 684 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,279 answers
2,420 comments
732,298 users