Question

−11f=7(1−2f)+5
solve for f.

Answer 1

First lets get rid of the parentheses by distributing the 7.
-11f = 7(1 - 2f) + 5
-11f = 7 - 14f + 5
Add the 5
-11f = 12 - 14f
add the 14f to both sides
3f = 12
divide the 3
f = 4