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(-4*7)/2 = 0
-28/2 = 0
-14 = 0
L <> R
| 3x+y-50=180 | | r+6+7r=6 | | B-3/7b-21 | | 3x+(-5)=-14 | | p=10-4 | | y^2dx+(5xy-4)dy=0 | | 7y-7=3y+73 | | (2c-15)/7=2c/9 | | (x-5)/3=3 | | 9d+3=3d+27 | | .14(x-6)=.12(x-7)+.02x | | x(y+1)=45 | | 1+6a-7a=4 | | -5x-10=-15y | | 5y+1=3y-2 | | 3x-y=5forx | | 9(x-3)=7.2 | | 6x-3(2-x)=9(x-2) | | 2x+3y=2.5 | | 10/9x=53/9 | | 5(a+5)=42 | | 4+e^2*x=150 | | 4+e^2x=150 | | 7+3p=16 | | 70.2=8c-1 | | 8x-9=6x-9 | | 21-3x=-6x | | 2m-15=5 | | 6f+1=55 | | 4x+(-4)=4 | | 14x-23=2x+1 | | 14/20-10/20= |