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k in (-oo:+oo)
(1/4)*k = 0
1/4*k = 0 // : 1/4
k = 0
k = 0
| 320+250+x=1.4x | | 4c^2-18c=0 | | 1525+250+x=1.8x | | 19x+28=18x+63 | | 360+250+x=1.4x | | 7f-4=38 | | 390+250+x=1.65x | | 8c^-3u^-5/16c^8u^-9 | | 8c^-3u-5/16c^8u^-9 | | 3x+1=3x+18 | | 360+250+x=1.7x | | 8z+6-z=4+3z+2 | | 4p+p^2=12 | | 3x/7=2x/3-1/3 | | 840+250+x=1.32x | | 3s^2+6=3s+12 | | 840+250+x=1.34x | | 1644+250+x=1.55x | | 0.25p^2+2p=3 | | 1184+250+x=1.55x | | 460+250+x=1.6x | | 2a-3b+4c=45 | | 2(x+2)=4(x+4) | | 460+250+x=1.62x | | 6*3-3= | | 2r+s=9 | | 390+250+x=1.55x | | 390+250+x=1.5x | | 500+250+x=1.67x | | X*X-1=6 | | 14x=5x+54 | | 360+250+x=1.5x |