How do you solve #-5+ 5n = 85#?

1 Answer
Dec 13, 2017

#n=18#

Explanation:

Rearrange the equation so that the #n# term is by itself, by adding #5 # to both sides.

#-5 + 5n +5 = 85 + 5#

Collect terms

#5n = 90#

Divide by the coefficient of #n# on both sides to leave a single #n#. In this case, we divide by #5#.

#(5n)/5 = 90/5#

#n = 18#