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(sin(x)-cos(x))/(sin(x)+cos(x))
2^(3*x+2)*cos(5*x)
9400;60
72/96
11.085-0.892*ln(x)
| 30x=25x-25 | | -21x+42=-27x | | 200x+300y=100000 | | Y=2(x-3)+2 | | 16-3p=2/3p | | 193-x=145 | | 179=-v+39 | | 34=7(u+4)-4u | | 71=-u+226 | | 11/5=11/b | | 4/3=1/b | | (m-2)(-20+2m)=24 | | 3-2n=4n+15 | | 5y/2=35 | | 9x+5+27x-5=180 | | 11/5=n/8 | | 4y+3=5y-7 | | 6a^3/4-7=479 | | 3x^2+0.25-3x=0 | | (6a)^3/4-(7)=479 | | -20=2v+3(v-5) | | (2-B)*B=0.13 | | -6x+5=-7x-8 | | -7-3b=8+2b | | (3x^2/4)-3x=0 | | 3x^2/4-3x=0 | | 3x^2/4-3x | | 18=3w+3(w+8) | | 0.3m=1.2 | | (3x^2/4)-3x | | 3q=q+14 | | b+81=10b |