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x in (-oo:+oo)
f = k/m // - k/m
f-(k/m) = 0
f-(k*m^-1) = 0
x naleu017Cy do R
x in (-oo:+oo)
| 9=15p | | 1/3(3x-4)=x+4/6 | | 0.45x=76.50 | | 7/10x=322 | | (4a^2-3a+8)+(6a^2-18a-15)=0 | | 7.25+5x=9.15+3x | | x+1/3x=4.8 | | 4x+23=11x+47 | | 10a^2-21a-7=0 | | 150x+100y=300 | | (x+2)=s | | 12(x+4)-4x=2(4x+2)-12 | | x^2+19xy+84y^2=0 | | 3(3n-n)=30 | | x^2-17xy+72y^2=0 | | 0.16x+0.04(x+8000)=920 | | 3x+2=-1.2x+2 | | x^2+xy-30y^2=0 | | 2x+51=90x-10 | | 12-7x=29x+24 | | 12=14q | | 4(2b+1)-2= | | 2.6+3n=9.5+4n | | 32.8=k-56.8 | | 3x+5=65-7x | | 2a-3(4-a)=2(4a-2)+3 | | 14=30a | | -1x^2+6x+27=0 | | x^2-10xy+9y^2=0 | | 11=13r | | x/8+15=19 | | 5x^2+30xy=0 |