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4*x-((1/16)*x)-(2*y)-(2*y)-3-2 = 0
4*x+(-1/16)*x-2*y-2*y-3-2 = 0
63/16*x-4*y-5 = 0 // + -4*y-5
63/16*x = -(-4*y-5) // : 63/16
x = (-(-4*y-5))/63/16
x = 16/63*(5-(-4*y))
x = 16/63*(5-(-4*y))
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