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(2*x)/3-(5*y)+8/4 = 5 // - 5
(2*x)/3-(5*y)+8/4-5 = 0
(2*x)/3-5*y+8/4-5 = 0
2/3*x-5*y-3 = 0 // + -5*y-3
2/3*x = -(-5*y-3) // : 2/3
x = (-(-5*y-3))/2/3
x = 3/2*(3-(-5*y))
x = 3/2*(3-(-5*y))
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