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700;67
789;67
ln(ln(x))
D/13 = -31
-(1/(e^x))
| 4/k+4=5/k-7 | | 30t-2=64t-70 | | 251x+227y=2187 | | -7x-2=-58 | | 7/8=4/r+3 | | 4z-1=27 | | 7f=602 | | -8a=-16 | | D/13=-31 | | f(x+h)=2x^2+5x+3 | | 19e+44-15e=48 | | J-697=-168 | | 3x-3y+9=9 | | 10x=3x+5 | | V+784=926 | | 12=8-2z | | K+128=666 | | 2x-1+6= | | 6x+23=2 | | 10x-4-5x=16 | | 50-1.5x=5+x | | C+5=59 | | 5(4x-3)=5x/30 | | M+24=78 | | Q-51=9 | | x-0.25x=280 | | 15-3x=5x-9 | | 10x-4-5x=6 | | J+7=75 | | M-67=-25 | | 4/7b=60 | | (7+5i)-[-2+(-3i)]= |