The equation would be 50 + 16x = 80 + 14x. The answer is 15 pints of oil.
Answer:

Step-by-step explanation:




.....<em>final answer.</em>
The correct answer is A.
Horizontal shift is obtained by addition/subtraction a number to every occurrence of x in the equation. Addition indicates a shift towards left and subtraction indicates a shift towards right.
So the correct answer is Subtract that number From.