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I noticed that the int() function will not integrate if the equation has an equal sign and two sides:
some functions operate on two sides of an equation automatically. Is the behavior of int() intended?

Working on an equation step by step by adding something on both sides is meaningfull, but what would mean integrating both sides of an equation? (Unless the equation is always true)

In my strength of materials class the following is common:
Which yields, with my Latex tweaks:
I find it useful. I can create a workaround with programming, but I just wondered if it made sense to anyone else to do this.

I just put arbitrary equations in my previous post to demonstrate that both sides would not integrate.

Matt