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6-((2/5)*T) = 2-((1/5)*t) // - 2-((1/5)*t)
(1/5)*t-((2/5)*T)-2+6 = 0
(-2/5)*T+(1/5)*t-2+6 = 0
1/5*t-2/5*T+4 = 0
x należy do R
x in (-oo:+oo)
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