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(4/3)*y = 11-(20*x) // - 11-(20*x)
20*x+(4/3)*y-11 = 0
20*x+4/3*y-11 = 0 // - 4/3*y-11
20*x = -(4/3*y-11) // : 20
x = (-(4/3*y-11))/20
x = (11-(4/3*y))/20
x = (11-(4/3*y))/20
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