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(2-x)/x >= 0
(5/4)*x = (5/4)*x
x^2-(4*x)+3 < 0
(12-(2*x))/2 = 0
| 0.2a+0.5=4.5 | | n(x)=2x+7 | | 2p-42=-12 | | n(17)=2(17)+7 | | n(17)=2x+7 | | 5/4*x=5/4x | | a(x+7)=24 | | 1.4(5)-2.8=4.2 | | 12y=-70 | | -3(x+2)=4(v-1)+9 | | 2x=(369/4 | | 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) |