Answer:
b = -9
Step-by-step explanation:
-12 = 24 + 4b
Subtract 24 from both sides
-12 - 24 = 24 + 4b - 24
-36 = 4b
Divide all sides by 4
-36 ÷ 4 = 4b ÷ 4
-9 = b
-Chetan K
A line would be best used to model the surface of an aquarium, by putting a line on top of the surface and checking if the water is level or not.
Answer:someone answer the question already
Step-by-step explanation: