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Suppose I use NSolve to find the Real approximations to the intersections of two separate functions over some specified range:

NSolve[{x[n] == y[1], 0 <= n <= 5}, {n}, Reals]

How can I parse the numerical values into the list of functions demanded by the Plot call?

Plot[{list of numerical values from NSolve},{z,0,1}]

where z is a random variable ensuring the x-axis exists.

I want to plot a series of horizontal lines such that the above logic makes sense.

Additionally, if I had to run NSolve N times, how would I accumulate all the parsed numbers into a single list such that Plot would graph them as horizontal lines?

Thank you for your time.

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Use Map over ReplaceAll to translate all your solutions into a list of constants.

Example using randomly selected functions that seem to work:

sols = NSolve[{10 Sin[4 n] == Exp[1], 0 <= n <= 5}, {n}, Reals];
Plot[Map[n /. # &, sols], {z, 0, 1}]
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