Hi!

We just started on this new topic, and I donīt understand how to solve even the first problems.

If someone could walk me through how to solve the following, I would be immensly grateful!

$\displaystyle y_{n+1} - 2y_{n} = n \; \; \; \; n\geq 0 \; \; \; y_{0} = 2 $

Thanks!