Here are the first four terms of an arithmetic sequence.
kkk, k+7k+7k+7, k+14k+14k+14, k+21k+21k+21
Write down an expression, in terms of n n\,n and kkk, for the n n\,nth term of the sequence.
208 exam-style questions on Eduqas GCSE Maths Sequences (Nth Term). Each one has a worked solution and a mark scheme showing where the marks go.