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x in (-oo:+oo)
r/s = t-9 // - t-9
r/s-t+9 = 0
r*s^-1-t+9 = 0
x naleu017Cy do R
x in (-oo:+oo)
| -224=14n | | (2a+3b)/400=1050 | | 15m-25=9m+42 | | (x-2)(x+4)=432 | | 4x-(3x+7)=8x-35 | | (2ab+3c)(2ab-3c)= | | -24+15s+15m-3s-5m+29= | | 2.6(t+2)=2(13+2)+1.2 | | (2s+3A)400=1050 | | 5x+30+40y= | | -3(10+5x)-5(1-4x)=-1+8x+8 | | 7=5x+14 | | 15-0.75x=13-.50 | | 6x^2=9x+7 | | -1=p/-555 | | -5=n-7/5 | | 3x^2-36x-12=0 | | 3(3m-5)=6(m+1) | | 5/2/5= | | x+113+x+73=180 | | -13+18= | | 9(n-4)-7n=32-2(n+8) | | p/5+7=10 | | X-8/-8=-1 | | .21-1.1=.11+1-.6y | | 7x-2x^2=-15 | | 4v-2=22 | | 7(d-15)+12=5 | | 6=x/10+4 | | 5(x-5)=4(x-5) | | 15=5+4(2d-3) | | 17x-5x+2+10=12(x-3) |