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42/4 = 0
21/2 = 0
L <> R
| -7(3x+6)=63 | | 7=u-5/3+5u-4/6 | | y=500-23(6) | | 5b^2-26-7=0 | | q-(-59)=586 | | 1/2t^2-1=0 | | n+(-53)=-661 | | 14-w/8=3w/5-21 | | 1-3/2x=4 | | 3(5x+7)=114 | | 33x+48=16 | | 0.17*c=2.89 | | 15x^2-60x-45=0 | | 4x+6y=42 | | 0=5x^2+10x-108 | | t+(-563)=-424 | | 3-(4+8x)-2x+2=5-5x | | 18+4=4 | | 7x-3-3x=25 | | 3n^2-3= | | y=500-23(x) | | 8n=6912 | | 4+ln(27x)=19-2ln(x) | | 3n^2= | | 2-x/-2=3x-2/5 | | 8w+3=19 | | 6u-7=-6 | | 34x+65= | | -1/2(6x+4)+1/8(40x+24)= | | 20x^2-10x-3.75=0 | | X-6+2x=-18 | | 114+-21= |