How do you solve #7( n - 7 ) = n - 3 1#?

Question

1128 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-10-13T21:48:29

#n=-3#

#7(n-7)=n-31#

#1.# Expand the brackets:

#7n-49=n-31#

#2.# Bring all the unknown values to one side of the equation:

#6n=-18#

#3.# Solve for the unknown

#n=(-18)/6=-3#