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k in (-oo:+oo)
(4/5)*(3*k-3) > (5/4)*(2*k-3) // - (5/4)*(2*k-3)
(4/5)*(3*k-3)-((5/4)*(2*k-3)) > 0
(4/5)*(3*k-3)+(-5/4)*(2*k-3) > 0
4/5*(3*k-3)-5/4*(2*k-3) > 0
4/5*(3*k-3)-5/4*(2*k-3) > 0
27/20-1/10*k > 0
27/20-1/10*k > 0
27/20-1/10*k > 0 // - 27/20
-1/10*k > -27/20 // : -1/10
k < -27/20/(-1/10)
k < 27/2
(-oo:27/2) (27/2:+oo) 27/20-1/10*k + -
k in (-oo:27/2)
(-oo:27/2)
| 3(x-18)= | | -(4a-2)=-10 | | 3/5(4k-1)5/3(3k-2) | | 2/7(3k-1)7/2(2k-3) | | 6x^2-4x+10=0 | | 3b+b+2b+4b=99 | | x^2+12x+68=0 | | 4.16-3.34x=2x-2.515 | | -4(x+2)+x=3(x+2)-14-6x | | 5+7y-3=8y+3-2y | | 5.41-n=3.75 | | 36x+5737=20x+5729 | | 9.4+5.6=15 | | 8x-2y+x+x= | | t-217=365 | | 5+5d= | | 365=t-17 | | Z-2/3=1/3 | | S-0=12 | | y-.5=2.5 | | 3z-3= | | C-34=21 | | 20+2x=110 | | X-4+4=3+4 | | 7000000x=8000000x-16000000 | | 7000000x=8000000x-1600000 | | x^2-46=18 | | 10+8y-2y=1 | | 8(2a+3b)= | | .50+.08(m-5)=1.46 | | 4a+5a-7=20 | | 4(4a+20b)= |