How do you solve #\frac { f } { 5} = - 4#?

1 Answer
Mar 3, 2018

#f=-20#

Explanation:

We multiply both sides by #5# to cancel out the denominator on the left:
#(f*5)/5=-4*5#

#(f*cancel5)/cancel5=-4*5#

#f=-20#

We can also plug #-20# into the original expression to verify that it is correct:
#-20/5≟-4#

#-4=-4#