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| 6v^2-29v+28= | | n^2+18n-34=6 | | 90*x=5*(10*x+9*x-100) | | 12x^2-15x-1=0 | | 2x+8(4x+12)=-21 | | 5d-3=2d+15 | | -21/(x-7)^2 | | 90*x=5*(10*x+9*x-10) | | 5k^2-11k-5=-7 | | Ax^2-acx=0 | | 5r-2=28 | | (15x-6)+(16x+24)=-168 | | 3/4n-1/2=0 | | v^2=-77 | | 35a+40b=2000 | | 5m-m^2=0 | | 7/m=2/6 | | (-14+2x)+3=9 | | 2x^2-2=14x | | 3+5x=98 | | 3+10=13n | | (7)(sec(x))-25=0 | | 6-n=30 | | 0=8x^2-12x-36 | | 8y^4+56y^6= | | y=-5x+c | | Y=x-05 | | x+2*5=12 | | -5x+y=-28 | | 5q-3=9p-12 | | b^2+6b-7=9 | | -sqrt(2)/2sqrt(2) |