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2/5-(3/4) = 0
2/5-3/4 = 0
-7/20 = 0
L <> R
| 15x+15/15x+60*5x+20/3x^2-3 | | 18(v+1)-2v=4(4v+3)-17 | | x/6+7=31 | | 7x-3(3-x)=17 | | 20x^3y^-4/(2x^-4y^-1)^2 | | 9+6x=24 | | 6x-2=-4x+8 | | 2w=2l-p | | 8w+4w+7-13= | | -15+m=7m-m | | 5x^2+3.25x=1.5 | | 5x+5(x-9)=5(x-5) | | 0.4(x-8)=1.2 | | 12x-7x=10 | | 5x+5(-9)=5(x-5) | | 25x^2=2-5x | | 5-5(5n-7)=165 | | d=17 | | -x+3(3x-1)=2(x-1)-3 | | 0.4(x-8)=12 | | 3x+9-5=16 | | x^2-14x+42= | | N-4=10-n | | 7=k/2 | | X^3-7x^2-2x+14=0 | | 2n+4=4 | | x-5x-5=0 | | 6x+10=2(x+6) | | 6a=a+5a | | 3x^2+8x-13=90 | | 58+.08x=46.12 | | 3(k+3)+4=49 |