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(12-(2*x))/2 = 0
2*x = 4/360
h/14-(2/7) = 3/7
x^2+10*x+21;2*x+1
15*(z-(1/5)) = 12
| 450=.80(x-100) | | (12-2x)/2 | | 180000=.3OFY | | 5v+5-v=4v-4+9 | | 0.5f-0.7=0.3 | | 180000=.33OY | | 0=3x^2+17x+20 | | -12x^3+18x^2-8x+1=0 | | X=.33OFy | | 8v-8=8v-12 | | 2x=(4/360) | | 25+3t=13 | | h/14-2/7=3/7 | | 15(z-1/5)=12 | | 3x+-11=x+3 | | 5(z+7)=3 | | 5(8)-8=32 | | ln(x/0.05) | | 28x^2y+7xy+35x= | | 0.05x-0.1(x-3)=1.35 | | 8(v-1)=4(2v-3) | | (X-10)15= | | 3(2(5)-9+6(5))=3(5)+29-7(5) | | -20=-5/6w | | 18d^2+30d+8=0 | | 3(2(2)-9+6(2))=3(2)+29-7(2) | | 7x-3=2x-1 | | 6=a^4+2 | | -logx=5.6 | | 2z^2+3=21 | | 3a-5a=18 | | -8z^2=1 |