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-3*m-((8*n)/9) = -m-((5*p)/2) // + -m-((5*p)/2)
m-3*m-((8*n)/9)+(5*p)/2 = 0
m-3*m+(-8/9)*n+(5*p)/2 = 0
5/2*p-2*m-8/9*n = 0
x należy do R
x in (-oo:+oo)
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