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-4(6x - 18y = - 85)
24x - 5y = - 5
-24x + 72y = 340
24x - 5y = - 5
---------------------------
// 67y = 335
y = 335/67
y = 5
24x - 5y = - 5
24x - 5(5)= -5
24x -25 = -5
x = (25-5)/24
x = 20/24
x = 5/6
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