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75/20 = 1/4
15/4 = 1/4
L <> R
| 8(4-y)/3=-y | | 3p/4=5 | | (x+30)-15=2(x-15) | | 2(x-3)-1=4x-2(2+x) | | 5(2n+5)=9(9n+4)+2 | | 48x+33=7(6x+4)+6x+5 | | 4+2(3n-6)=4 | | 4(y+6)+y=3(y+2)-2 | | 4/x-3/x=1 | | 5x+4=-3+2x+22 | | 6(x+7)-8=34 | | 8+9x=36 | | 6k(k+3)=k-12 | | 0.01/130. | | 2y^2-6x-4y=1 | | 14y^2=45y | | -lg(x)=0.43 | | -log(x)=0.43 | | -6/35/30/7 | | 6x^2-2x=6x^2+23x+15 | | 6+(x-4)=3-(1-3x) | | -logx=0.43 | | -2x^2+147=0 | | 40-y/y=8/y | | 7y-3y=y+20 | | 2x^2-5x+3(x+3)= | | (3x+2)(4x+9)= | | 3x(3x+4)-10=-x+2(2x-19) | | 9x^2+4y^2-13xy=0 | | 1/4(5/9-4x)-2/9=4/9 | | 4x+5x=450 | | 4t-13= |