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Sullivan Callahan
Mathematics
1 February, 09:27
Simultaneous equation 8x-2y=50
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June Weber
1 February, 09:47
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8x = 50 + 2y; 8 (50+2y) - 2y = 50. 400 + 16y - 2y = 50.14y = 50-400; 14y = - 350; y = - 25. 8x - 25*2 = 50; 8x-50=50; x = 1 00: 8 = 12.5
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Aracely Oneal
1 February, 09:54
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8x - 2y = 50
8x - 8x - 2y = 50 - 8x
-2y = 50 - 8x
-2 - 2
y = 25 - 4x
8x - 2 (25 - 4x) = 50
8x - 50 + 8x = 50
8x + 8x - 50 = 50
16x - 50 = 50
+50 + 50
16x = 100
16 16
x = 6 1/4
8 (6 1/4) - 2y = 50
50 - 2y = 50
-50 - 50
-2y = 0
-2 - 2
y = 0
(x, y) = (6 1/4, 0)
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