Your MAGI does not appear on your tax return. Your AGI---adjusted gross income-- is on line 11 of your Form 1040.
See this thread regarding MAGI:
https://ttlc.intuit.com/community/taxes/discussion/agi-vs-magi/00/3454601
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
