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x in (-oo:+oo)
x/4 < -1.5 // + 1.5
x/4+1.5 < 0
1/4*x+1.5 < 0 // - 1.5
1/4*x < -1.5 // : 1/4
x < -1.5/1/4
x < -6
x in (-oo:-6)
(-oo:-6)
| 40*40=9u*9u+16u*16u | | X+7.99=9.88 | | U-4.7=9.74 | | 3x+3x-7=12 | | 5x^2+4x-25=0 | | 3/1*3*2 | | 2(x-8)=(x+2) | | -4-2x-5x=-25 | | 10x^2+5x-5=f(x) | | 3x+2=10x-40 | | -3x-14x+24=0 | | 2(x+2)=3(x+7) | | 3(x-1)=5(x-2)+7 | | 2(x-2)=3(x-7) | | 2c^2-9x-4=0 | | v^2-18v+24=4 | | -4x+y=25 | | (3x+8)(x-5)=12x+32 | | 3=102x | | m=9.75*2.5 | | 3x^2+y=17 | | 9.75-2.5=m | | -x+2-5x=-22 | | 4/3=n8 | | m-2.5=9.75 | | x^2+y^2+6x-4y+12=0 | | x-1/-4=6 | | 7/2x-1/2=41/2 | | -3x^2+6x+22=0 | | Jam=1972 | | JLP=1980 | | Emg=2k |