The penny size of a nail indicates the length of the nail. The penny size d

is given by the literal equation d=4n−2

, where n

is the length (in inches) of the nail.

a. Solve the equation for n

n=

b. Use the equation from part (a) to find the lengths of nails with the following penny sizes: 3, 6, and 10.

A 3-penny nail is__inches.

A 6-penny nail is__inches.

A 10-penny nail is__inches.

linear equationwe will see that:How to solve the equation for n?linear equation:equationsolved for n.linear equations: