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806;31
(1/4)*x-9 = 20
1320;55
ln(1/(x^(1/2)))
1.08;0.027
| 4x^2+56x-285=0 | | .4(-2.5+5y)+y=1.1 | | 8x+67=78+7x | | 5(x+3)-2x=9 | | .4x+y=1.1 | | 4(2x+5)=43 | | 1/4x-9=20 | | 267=6(-4+8x)+3 | | 7(d-2)=5(d+4) | | -4(-4y+1)=-36 | | -.2x=.5-y | | 7(d-2)+12=5(d+4) | | (13y+10)=127 | | F(X)=X^2+2X^2+5X+6 | | -2(z+4)=36 | | 0y+x=2 | | -4(x-5)=16 | | 4w-15w=99 | | N+17n=9 | | 61=10-3m | | 25X^2A^3N^2)/(5XA^2N) | | 7x+6=4-(2x-9) | | 2(4y+-10)=-4 | | 3x+5=43 | | (20x^4y^5z^3)/(5x^2y2z^2) | | -2.5+5y+2y=-1 | | .16x+.125=2.75 | | -88=-7n+3 | | -20=-2v-6 | | 16=-4-5b | | -4(6+1)+2b=3(2b-1) | | 4x-2(1-x)=2(3x-2r) |