@emli1000 I think there are free explanations by Manhattan also Graeme Blake's LSAT Hacks are supposed to be amazing and go very well with the 7sage course as Graeme is also a tutor associate with 7sage... you may want to check those out... but they are ordered by test... http://lsathacks.com/explanations/
Yeah there must be other sites available... just haven't found them but Graeme's site contains a ton of answered tests 29 - 38 and62 - 74 and Manhattan has the LR for almost all of them... (though only the LSAT geek ones are by the tutors there). And both are reputable.
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and https://www.manhattanprep.com/lsat/forums/logical-reasoning-f4.html