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ln(1)-ln(1/2)
0-ln(1/2)
-ln(1/2)
0.69314719
| 20%x+x+8=x | | -x^2-3x-5/4=0 | | 12x-4x/2 | | (8x+8)-4=9(x+3) | | -(-6x+u)+6(4u+6x)= | | 1x+16y=40 | | 2.4=4 | | 3x-7/4=-23/4 | | 12(2+4)+1= | | C-11=-1 | | 3+4(5-2*6)= | | 2pi(2.5)= | | 349/361*100 | | 11x-15=0 | | 3x^2+y^3-x^2-y^3= | | 1040+x=6.4+3200 | | 5/6w=-1/6 | | (4)2+3= | | 7x-3x=28-4 | | 4z^2=-20z | | 10=-0.6(w-0.3) | | 10x-25/2x-5 | | 2(7-4(1-n))+7n=-4+2(6(n+1)-3n) | | 9000=p(1200-30p) | | 350=p(120-10p) | | 0.25(y+6)+3=0.125(8y-36)-3 | | (3)+(5)= | | 20x-5x=10 | | 678+678+839.27+382.01+455.86+4525.83= | | 3(y+4)-10-y=8 | | (2x+5)(x-1)=x^2 | | 3y+2-y=8 |