Nerves are composed of preganglionic sympathetic axons that did not synapse in a sympathetic ganglion.

The answer is “Splanchnic Nerves”. Splanchnic Nerve are nerves that are composed of preganglionic sensitive axons, which were not able to synapse in a sensitive ganglion. Splanchnic nerves are matching instinctual nerves, which backs up to the innervation of the inner body parts. These are nerves that are transporting fibers of the autonomic nervous, as well as sensual fibers from the different body parts 

answer; polycythemia is the correct answer;

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

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