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ln((2-x)/(1-x))
ln(48*x)
x^2+x
x^2-x
6*x^2-(8*x)-12
| (4f-2)-(2f-1)= | | -9(6u)-2u=-10 | | -.50x-5=-10 | | X/4-1,5=3,2 | | (9z+9)+(4z+5)= | | 2*t*t=162 | | -8v=-5+15 | | 3(J+a)=-2+J | | 3y-10=2x-20 | | 17b+3b-13b-6b+2b=18 | | 7(x+5)+2x=7x-21 | | m-4-3m-6= | | -7x-23= | | y*y-20=-y | | -10/-2i | | 64a=10 | | 22x-5=-15 | | 75=7x | | 3m-6-m-4= | | 11p-6p-4p=11 | | 25f=9f-1 | | -22=-2(3x-4) | | .5(8y+4)-(y-4)= | | 10j=6 | | X-5-29=180 | | k/5=2/x | | (T+3)-(4t+8)= | | 19m+23r+m-3n= | | -1.5(x-4)=-2 | | (3u-7w)(3u+7w)= | | 6x+14=-4x-17 | | 3x+5=200 |