Here is you're answer:
In order to solve this equation you have to remember that a negative divided by a positive is a negative then just solve the equation.
Therefore you're answer is "-17."
Hope this helps!
Answer:
Substitute in the values of both given coordinates & form 2 equations:
Find the value of B from the equation 2A - B = 1:
Substitute in the B-value to the other equation:
Find the B-value using the equation from before:
Therefore the equation Ax + By = 1 would equal: