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4*x-8*y-12;2*x+4*y-6
x^2;x^2-1
x-(2*y)-13;6*y-3*x+39
sin(x^2+y^2)
9*(2*tan(x))^3+2*(tan(x))^2*(1-(2*tan(x)))-(8*(1-(2*tan(x)))^3)
| 16(x-2)-8=8(x+5) | | 4x+3+3x+7x+12+2x+1+4(x+3)+2(x+1)=250 | | -7(2x-5)+5(3x-4)-4=5-4 | | 6/9-n=-7/9 | | 0.5x-y=x+2 | | 23.2+z=14.25+12.2 | | 12z=35+4 | | Z-1.75=1.50 | | -5x=x^2+3x-21 | | [4/(p-q)]-[2/(q-p)]= | | 2.85=3.80-x | | 4/13n=5.538 | | tan^22x=3 | | 0.09x+0.11(x+6000)=1460 | | 2(3+1)=8 | | 2x-(3-x)^1/2 | | 7(9x-8)=8244 | | -7s+7=-8s-14 | | N-14.888=3.111 | | 4f-11=13 | | x+11(4)=49 | | 6z-5+10+5z=180 | | 5(-2+4)=10 | | 143.50=205-x | | 8×3/28= | | 4(2x-1)=x+17 | | 180=225-x | | N/3.6=5 | | -10x+2(x-3)+6x=7x-15 | | 3x^2-5x+3=2x^2+3-12 | | 24.25+n=6.25 | | -7-17= |