Answer:
f = -25
Step-by-step explanation:
First add -32 to both sides, creating, 15 = -3/5f. Then you need to multiply both sides by the reciprocal of -3/5, which is -5/3. Giving you -25 as your answer.
A = 28
B = 87
18 + 10 = 28
103 -16 = 87
Z = 20
3 x 20 = 60
60 - 12 = 48