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31.2;4
123000;40
(-x)^2+16 > 0;x
x
45;45;135;38.25;139.5
4*x^3+36*x^2+104*x+96 = 0;x
x
| -40+5b=20 | | 2v-14=-2 | | -40+5b=40 | | 3r-6=15 | | -(1+7x-x)=36 | | 2x+5=3(3x+4) | | 19=7-(a+8) | | -2y+-3=7 | | 4x^2-21=-8x | | s/2-2=1 | | 4sin^2-5=-4 | | x+9.01=-12.6 | | 14x+1=21 | | 10r^2-20r=30 | | 5+2c=-3 | | 7v^2+54v=81 | | 5(5/3) | | -3b^2=-225 | | u/11=7/13 | | 9b^2+15b-4=0 | | 12-3x+12=9 | | n^2+16n+29=-10n | | 4x+20=-x | | 7=3+2u | | 12+2n=-4 | | 3(x+2)-8=5(x-4)+4 | | 5(x+4)+13=4(x+5) | | 4+13=n-8 | | 14m=4 | | 18=4u-2 | | 9n^2=882 | | 13n-16+6n+7n+12=360 |