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5*ln(4/x)
(-2/3)*(4/3)
1000*1.05^x
ln(x)/(11*x)
49/52 = 7/13
| 5x-5/5=5-1/3x | | 5/(5/3)=21/x | | (n-9)/3=34 | | x^2-2xa=0 | | 5(y-4)=0 | | 26=6a | | 32=8(x-6.5) | | 169=25x^2+45x | | 664-3x= | | 764-3x= | | 2y+4z=170 | | 6(3x+4)=222 | | 3(5-5x)=-15 | | 1/x0.5 | | -7(1x+3)=-35 | | 5(-8+2x)=20 | | 20x+10x+6= | | -2(8-x)=-4 | | (X/2-y)^2 | | -6(7-x)=-36 | | Y=-0.9(0+3)(0-3) | | 3(-3x+9)=18 | | 3(2x-9)=-99 | | l^2-52x+672=0 | | =(5x+2y)(5x+3y) | | 6(1x-10)=-30 | | 10+x+(5x+3)= | | w^2+52-672=0 | | 2(3x-4)=-2 | | 15p-50=26 | | 5(4-6x)=20 | | 2(x-3)5=3 |