Write an equation of a line that passes through the point (9, -3) and is parallel to the following equation: 9x + 7y = 330
9x + 7y = 330
The slope of this line = - (9/7)
So
y = (-9/7)(x - 9) - 3
y = (-9/7)x + 81/7 - 3
y = (-9/7)x + 81/7 - 21/7
y = (-9/7) x + 60/7
7y = -9x + 60
9x + 7y = 60
