Our goal is to get y by itself
We will first add 3x to both sides to get
-5y = 3x - 15
We will then divide both sides by -5 to get y by itself which becomes
y = -3/5x + 3
Answer: 6
Step-by-step explanation:
It is proportional because the number are even and can be divided by the same number
12 x 12 = 144, 144 x 3 and then subtract 5 to get 427