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x in (-oo:+oo)
| 2x^2+kx+2=o | | 195/t=195/(t-1)-4 | | 12a+16b+6c+5c-2b-6a= | | 7+7+3y-17=180 | | 14w-19w+7w=-4 | | .975=1.3Xa+0Xa | | 5=5(u+8)+2u | | 4(2x+3)+3(5x-2)= | | (195t-195)/t | | =6x(7+5x) | | 14p+13q+p-5q-7p= | | 7s-2=-18s^2+40-33s | | 2x+x+(x-15)=465 | | 8x+10-2x=4x-20 | | 5c-3c=6 | | 6*x+3=7*x+9 | | -4t-(-7t)+(-8t)-(-20t)+(-9t)=-18 | | 4d-3d=15 | | .975=1.3Xa+0 | | -13=-3w+5(w-5) | | s*4-27=45 | | (3x+2)+(x-1)+(4x+2)=180 | | 8*x+4=2-11*x | | 12n+n-6n-5n=16 | | 2(3m+4n+7y)= | | 3x^2+17x+3=(x+1)(3x+13) | | 6b+2=26 | | 16k-k-12k=18 | | -3x+1=4x+29 | | (2/3)x=(-4/7) | | 3/4(2y-8)=16 | | 5*x+4=12*x+3 |