Answer: y = [tex]\frac{t - d}{31}[/tex]
Step-by-step explanation:
12y + d = -19y + t
+19y +19y
31y + d = t
-d -d
31y = t - d
÷ 31 ÷ 31
y = [tex]\frac{t - d}{31}[/tex]
Answer:
A. y=t-d/31
