I am stumped by the following problem: dy/dx = x+y, I am suppose to solve using the substitution: u=x+y I'm really confused by this one, I don't even know where to start. Anyone?
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Originally Posted by adkinsjr I am stumped by the following problem: dy/dx = x+y, I am suppose to solve using the substitution: u=x+y I'm really confused by this one, I don't even know where to start. Anyone? Yes, that's prabably the easiest way. so so your DE becomes which is separable.
I solved it, thank you
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