<p>This question:   <a href="https://stats.stackexchange.com/questions/174791/sum-of-gaussian-mixture-and-gaussian-scale-mixture">Sum of Gaussian mixture and Gaussian scale mixture</a></p>

<p>In its current form it is clear enough. The OP did not specify the word "independent", but it is quite clear that is intended.</p>

<p>Please vote for reopen.</p>
