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2-4/7 = -13
10/7 = -13
L <> R
| 16x^2-22x+112=0 | | 9v+6=40 | | y=x^4-3x^3-24x^2-28x+22 | | s=(a+b)/2 | | m/9-1 | | 16c^2+56cp+49p^2= | | 87=3(4r-3) | | ((49k^-2)^3)/(7k^-8) | | 15+[5-x/x]=30 | | 18+9x=45 | | -5(1-12b)=-5(1-b) | | 3x-1+10x-28=3x+1 | | 3(-5+4)=5(-5)+2 | | 9+2[8+2(4+6)-5]= | | 42/6=g | | -1=20-n/4 | | 0.8+3.2-4.3x=7.7-1.2x | | 5+x=4433212 | | 2(4+2-k)+10=k | | -102=-6(7-2x)-2x | | 5x+8=(3x+1) | | 47x=200-53x | | -13x=-4 | | ax+3=6solvinga | | 5.3g+2.5=55.2 | | 0.7x*2-1.4x-0.7=0 | | -.375x+.75=.66m+.83 | | y+2/9-(5/8) | | 4x+4(2x-11)=112-x | | 26-x=42 | | 2(3x+1)=3(x+6)-x | | -105/18+x=-123/25 |