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Rosalee Bergstrom β
You need two independent equations to solve for two unknowns (x and y).
(9,3)
If: 4x = 5y Then: x = 5y/4
(-5, 2)
7
y = -6
5y=25x 25x=5y -5y 25x-5y=0
If: 5y = 4735 Then: y = 947
5y + 7 = 25y = -5y = -1
x = (-5y + 4) / 7
8 - 5y = 12 -5y = 4 y = -4/5
x = 0 and y = 4