3^(x+1) = 7
in Algebra 2 Answers 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

3ˣ⁺¹=7.

Take logs of each side:

(x+1)log(3)=log(7),

x+1=log(7)/log(3)=1.7712,

x=1.7712-1=0.7712. The base of the logs doesn’t matter, so you can use natural logs (ln) or logs to base 10, or whatever.

by Top Rated User (1.2m points)

Related questions

2 answers
asked Feb 25, 2013 in Trigonometry Answers by bethsy Level 1 User (120 points) | 803 views
1 answer
asked May 10, 2013 in Algebra 1 Answers by anonymous | 539 views
1 answer
asked May 30, 2013 in Algebra 1 Answers by anonymous | 543 views
1 answer
0 answers
1 answer
asked Aug 31, 2017 in Other Math Topics by McCquabena Bannor Level 4 User (7.5k points) | 429 views
1 answer
1 answer
asked Oct 5, 2015 in Other Math Topics by McCquabena Bannor Level 4 User (7.5k points) | 557 views
1 answer
1 answer
asked Oct 8, 2019 by anonymous | 462 views
1 answer
asked Oct 2, 2019 by anonymous | 395 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!
87,516 questions
100,279 answers
2,420 comments
732,385 users