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8-x^2-x;x^2+2*x-8
5*x^5+2*x^4+2*x^3+2*x^2+2*x+2;7*x^3+3*x^2+3*x+3
(-1/3)*y-(1/2) = -8/7
10/x-3 = 2
y = 8*x+7;8;7
| -4+x+3x+1=2x+2+2x-5 | | 4x+6y+3z=24 | | 25x^2+9-30x=0 | | X+5(x-3)=2x | | h=11.6+-4.9t^2 | | X-4+3x+1=2x+2+2x-5 | | 0=23+13x-4.9x^2 | | 2a+2(a-7)=86 | | -3+c=-5 | | -1/3y-1/2=-8/7 | | v-7.51=1.84 | | 10/x-3=2 | | 4w+7=-1 | | 9+15t-6=6t+120-4t | | 0=9x^2-30+25 | | 8x-(3x-14)=59 | | 8x-12=49 | | m=-9/(5,7) | | M(3.2)=-6 | | 3x+1-x=5+2x-4 | | 53-5x=3x-11 | | 7d+6= | | -3m-5=7m-21 | | 4/2z-1=2 | | -a[9+(-3)]+a= | | 0=4x^2+12x+10 | | 9x^2+49-42x=0 | | -3/5w=21 | | 5t+10(t+3)+25(t+10)=800 | | 14-3m=4m | | 90-y=201 | | 43=7-3m |