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x in (-oo:+oo)
(11/2)*a-((2/3)*a)+(20/7)*b-((5/14)*b)-34 = 0
(11/2)*a+(-2/3)*a+(20/7)*b+(-5/14)*b-34 = 0
29/6*a+5/2*b-34 = 0
x naleu017Cy do R
x in (-oo:+oo)
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