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It all depends on what y equals. First, solve for the equality.
-9y = -45 solves to be y=5.
Now, to find out which side of 5 is going to be less, you check what happens if you put in y=0.
-9(0) > -45
Numbers on the same side of 5 that zero lies on are going to be bigger.
Putting it together, you find that y > 5 gives less than -45 and y<5 gives greater than -45.■
-9y + 8 = -91-9y = -91 -8-9y = -99y = -99-----9y = 11-99/-9 = 11 because -9X11 = -99
-9y-15x ---- -3
9y - 4x
x2 - 81y2 = (x + 9y) (x - 9y)The actual numerical value depends on the values of 'x' and 'y'.
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