There are excellent tutorials on the Wolfram Website as well: The linguistic input and Wolfram Alpha are very useful, but it is also important to learn the syntax behind the language. You will see in this community that you can do an awful lot of cool stuff with it. Users have access to all the functions that may be needed during the studies. It is quite important to learn the (few and logical) rules behind the Wolfram Language. Photomath is one of the best and most popular apps for solving mathematical equations and drawing graphs based on them. So it basically just substitutes y' by -2-y/x. So use the equation such that the replacement rules are taken into consideration. I'm curious about the following bit can you break this down for me just a little bit - mainly what the "/." does? y' + x y'' = y/x /. I'm a newbie to Mathematica and have been trying to mix in learning its syntax along with my other work. Another weird thing is that the end result of the step-by-step is different than the initial result shown on the main page (i.e. The step-by-step on the second equation is helpful until about halfway through when it starts doing some weird algebra that ends up with y'' mixed in with the other terms.
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