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-4 = 1/2-3
-4 = -5/2
L <> R
| 9x^2+6xy+y^2+x=0 | | 4x-5=-3(2x+1)-12 | | .25(4m-18)=12 | | 12k-2.6= | | 4+4x+3x+5-x-2=31 | | 2272.38(D^2)-2(6048.75)D-4291.18=0 | | 40+2y=7 | | 2x^3-x^2-112=0 | | 2(w+4)-7w=23 | | 24+2y=7 | | -3+3x+2+4x=34 | | (6)(-5)-4(6)+7= | | 52-32/4x4 | | 16+2y=7 | | (x+3+i)(x+3-i)=0 | | 12+2y=7 | | 52-32/4*4 | | 6y(y+4)=7y-5 | | (1-n)=14 | | 2x^3-x^2-72=0 | | 44X+99X=1 | | 2x+3-10+10x= | | 7sec(x)=-10cos^2(x) | | 7+2v=6v-11 | | 9-4(11s-16)= | | 18a^2+78ab=-84b^2 | | F(x)=18-2x^2 | | 2(2x-3)=4x+10 | | b+8+18= | | X^2-24x+400=0 | | 3x+4+2x+5-3x=17 | | F(n)=16+4 |