All of the following states were at one time a part of the northwest territory except which one?
a. ohio
b. wisconsin
c. michigan
d. tennessee

The answer to the question is (D) Tennessee

Explanation:

Tennessee is a state situated in a region of the southeastern parts   of the United States.

Tennessee is the 16th most populous of the 50 united States, and also was the  36th largest Tennessee is surrounded  by eight states, with North Carolina to the east, Virginia to the northeast Kentucky to the north,Missouri to the northwest. Georgia, Alabama,  Mississippi to the south, and Arkansas to the west.

It was not a part of the northwest Territory.

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation: