
Explanation:
Ax+By=C the slope is 14/13 (5,6) (-8,-8)
The slope m equil 14/13

Substitute the coordinates of the points into equation (1) and obtain a system of equations:

Multiply both parts of the equation (3) by -1:

Add these equations :

Divide both parts of the equation by 14:
Hence, let's substitute the value of B into equation (4):

