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| -12=-3t | | 3x-(6+x)(x-6)-5(1+5x)=1+3x | | sin^2x-3sinx*cosx+2cos^2x=0 | | f(25-1)+100=2200 | | 0.12(y-1)+0.16y=0.20y-0.2 | | Gf(x)=4x^2+20x-15 | | 91+-5x=61 | | 0.06(7-6)+0.04y=0.16y-0.6 | | -2(3m+5)-8=3(6-5m) | | (x)dx+(5y^4+3)dy=0 | | 7(6x+8)=16-(6x+8) | | 2w^2+5w-525=0 | | 16/2X | | 5.4+c=23 | | f(6)=180 | | f(5-1)=180 | | 5.4+ct=23 | | 2x(2m+1)+2x(2m-6)+20=0 | | K^2-2k=3 | | 15.90=46.95-n | | cos(5x)cos(3x)=0 | | 2w+2(2w+1)=34 | | f(9-1)+100=440 | | N=8+-3 | | f(11-1)+100=660 | | 5y-18+3y=7y-30+4y | | (20x+80)H(5.5-x)+(100x-320)H(x-5.5)=660 | | 2xblank=240 | | e^4x+-7e^2x+10=0 | | 15.90=s-46.95 | | -4(v-9)=-2v+32 | | 6x-21+45=90 |