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10*x-((3*y)/4) = 0
10*x+(-3/4)*y = 0
10*x-3/4*y = 0 // + -3/4*y
10*x = -(-3/4*y) // : 10
x = (-(-3/4*y))/10
x = 3/40*y
x = 3/40*y
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