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8-42/(-6) = 0
7+8 = 0
15 = 0
L <> R
| (16x^2-72x+81)=0 | | =34-4*-2 | | 9(9+8x)+5(-x+6)= | | (-2a^4)(-6a^3)= | | 6/9x | | 6/9x^2 | | (5^2+17)/7=6 | | 9x^2+173x+770=0 | | (w)(w)-12w+31=0 | | x+-7y=10 | | 8/9x^2-5/6x+1 | | 10x+7=3x-14 | | x^2-11x=-265/4 | | s-r=2 | | 72=74/9(h-5) | | -32x+4y=44 | | 4r-2s=-6 | | 5*x^2+10*x-4=0 | | 6-1/2x=1/4x | | (7.7)(-8.7)= | | 4(-6)(-5)= | | 1-2x=-7x+1 | | 28=3x+8 | | -12-(-40)= | | 27=6r+r^2 | | 12=2x^2+5 | | 4.57-(-0.2)= | | (4x-3)(5x^2+3x-2)= | | (3x)/5-(x-2)/2=(x+5)/7 | | z=y-16 | | (3x)/3-(x-2)/2=(x+5)/7 | | (1/6)x^2+2x+12=0 |