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| 16/x^2-16 | | -31z=-62 | | .42x+.81=1.85-.1x | | 54.15=18.95+3.2d | | 3x+33=45 | | 3(a^3x+1)=15 | | k^2-4k+1=-2 | | 4+4(6-3)=40 | | 54.15=18.95d | | 24+6u= | | 3y=9-6 | | 2X(-8-4)+27=-5X(8-7) | | 8x+x=24+x | | 27z^2+6z-16=0 | | ((20*25)+80)(5.5-25)+((100*25)-320)(25-5.5)=2200 | | 119+-7x=63 | | 7(8n-6)= | | lnx-lny=0 | | 8x-20=60+6x | | 5x^3n=125 | | 124*x=2200 | | 0.13x-0.69=1 | | 12-(3k+10)+4k=3(2k+1)-11 | | 12-(k+10)+4k=3(2k+1)-11 | | -(v-5)=17+3v | | P-2=6p-9 | | -5(3x-7)=2(x-43)-83 | | 2sqrt(x)-sqrt(x-13)=sqrt(15+x) | | -3(-6+2x)+1=12+x | | (f(25-1))+100=2200 | | 3x+13=1x | | 2/x=.4/.7 |