How do you solve #-\frac { x } { 4} = - 32#?

1 Answer
Nov 15, 2016

#x=128#

Explanation:

Set up a proportion with #-32# over #1#, because any whole number over #1# is the number

#-x/4=-32/1#

Because it is a proportion, cross multiply

#-x xx1=-x#

#4xx-32=-128#

#-x=-128#

Isolate #x# by dividing by #-1#

#x=128#