Answer:
f = 10/3
Step-by-step explanation:
-15 + 6f = 5
-15 + 15 + 6f = 5 + 15
6f = 20
6f/6 = 20/6
f = 20/6 = 10/3 = 3.333...
10/3
-15+6f=5
6f=5-(-15)
6f=5+15
6f=20
f=20/6
simplify
f=10/3
