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20*ln(10-x)
15;25;0;0;11;0
3*(a+18) = 9
8964;4
2*ln(x)
| 80-2x=96 | | 3(x+9)=0 | | 2x-14=7x+1 | | 4x+5x-28=70-5x | | (X/2)-15=X/5 | | x-18=4x-24 | | 15-Y/4=11 | | q+8.25= | | 2/3=72= | | (X/2/-15=X/5 | | 2t+11=73 | | 13+3k=4k+7 | | 2x+6+4x+1=37 | | 9X-5w+5X+6y+5y+2w= | | 4(3i-6)= | | -11-5p=-7p+5 | | P-2=36 | | r/13=r-3/10 | | 212-x=291 | | -0.10(23)+0.20x=0.05(x-16) | | 8-a=1+6a | | 24x(3x+4)=10 | | 3(h-2)=12 | | 8(1+2x)=48 | | 3/7*245 | | -4-11x=18 | | 10+6x=8x-2 | | 16x=.25 | | 3a₂/2a₃ | | 6+1=x-9 | | -3+4y=16 | | f(x)=2x^2-11x-21 |