Answer:
The slope of the line is 3.
Step-by-step explanation:
Remember:

I thinks its the bottom one
Because 1 * 21 = 3 * 7 ( 21 = 21 ) , 1/3&7/21 form a proportion.
Let's simplify step-by-step.
16
y
−
46
y
+
15
8
y
−
3
=
16
y
+
−
46
y
+
15
8
y
+
−
3
Combine Like Terms:
=
16
y
+
−
46
y
+
15
8
y
+
−
3
=
(
16
y
+
−
46
y
+
15
8
y
)
+
(
−
3
)
=
−
225
8
y
+
−
3
Answer:
-185
Step-by-step explanation: