Answer:
y=20
Step-by-step explanation:
5y = 100
Divide both sides by 5 (we can do this because of the division property of equality):


y=20
Answer:
its the 4th one
Step-by-step explanation:
you go up by 4 and right by 3
Alright, so first we'll have to get y on the other side
So
2x+y=-9
-y -y
+9 +9
2x+9=-y
Then divide is all by -1 so y is positive
-2x-9=y
Answer:
1.Conduction
2.the second one
sorry if these are wrong
Step-by-step explanation: