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1.60;15
1;2;3;7;1;2
(r+0.2)^2*((0.2*r^2+1)/(r^2))-1
8.17;1.9
(x-3)^2-((x-7)/2) = 7-((x+1)*(1-x));x
x
| 6x+1=2x-75 | | 4x+x+x=30 | | (x^2-8x+16)+(y^2-2y+1)=16 | | 8x-3=11-16x | | 0.75a+0.25b=75 | | 6+6x+5x=83 | | 8m-21= | | 8x+4=-84 | | -8-2x=-12-7x | | ln(x)=6.34 | | 14x=14(x+5) | | 6x+7=15.5-3x | | 18-3x(x-2)=3 | | 9+a=4a+9 | | 23x-12=6+12 | | 9y+7=40whatisy | | 9n=10/9(8) | | -2y-3x=15 | | =25-3n | | 7+6x+2x=103 | | 7-2(x+1)=24+-2x+-19 | | 40x+12x=442 | | 7-2(x+1)=24-2x-19 | | 11m-2m(m+2)=(2m+15) | | -2x-15=2x+13 | | 8.8a+12=108.8 | | 0=25x^2-49 | | 210=33t | | x+47=5x+15 | | 10x+9=-6x+105 | | 6x=6(x+5) | | 9+10a=12a+9 |