Nadia is asked to find a number such that the difference between five times the number and three less than twice the number is equal to eighteen. Her work and answer are shown below. 5n−(3−2n)5n−3+2n7n−37nn181818213 Is Nadia correct? If not, identify and correct her error. Nadia is incorrect; she made a sign error when removing the parentheses. The second equation should be 5n−3−2n=18. Nadia is correct.

Nadia is incorrect; she did not translate the given information into an equation properly. The first equation should be 5n−(2n−3)=18.

Nadia is incorrect; she did not combine like terms properly. The third equation should be 3n−3=18.