Difference 5867
Calculate the value of the first term and the difference in the arithmetic sequence
a1 + a7 = 42
a10-a3 = 21
a1 + a7 = 42
a10-a3 = 21
Correct answer:
![](/img/67/seq_2.jpg)
Tips for related online calculators
Do you have a system of equations and are looking for calculator system of linear equations?
You need to know the following knowledge to solve this word math problem:
Grade of the word problem:
Related math problems and questions:
- Common difference 2
What is the common difference of the arithmetic sequence with 20 terms, whose first term is 5a+b and the last term is 43a+20 b?
- The common difference 2
Find the common difference of an arithmetic progression (AP), whose first term is 5 and sum of its first 4 terms is half the sum of the next four terms.
- Difference 7873
Find the first term and the difference of the sequence for which it holds: a1 + a6 = 39; a10 - a4 = 18
- Twenty-first 3935
Determine the twenty-first term and the difference AP if a1 = 0.12 and a1 + a2 = 0.42.
- Difference 81696
Write the first 5 terms of the arithmetic sequence if the first term is a1=7 and the difference d= - 3
- Parabolic sequence
Find the sum of the first nine terms of an arithmetic sequence whose general term is a(n) = 3n²+5
- Difference 5222
Determine the difference and the first term of AP if a3 + a4 = 48, a7 = 80.