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x in (-oo:+oo)
62*s+6*t = (1/2)*(42*s+3*t) // - (1/2)*(42*s+3*t)
62*s-((1/2)*(42*s+3*t))+6*t = 0
(-1/2)*(42*s+3*t)+62*s+6*t = 0
62*s-1/2*(42*s+3*t)+6*t = 0
62*s-1/2*(42*s+3*t)+6*t = 0
41*s-3/2*t+6*t = 0
41*s+9/2*t = 0
41*s+9/2*t = 0
x belongs to the empty set
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