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((5*x^2-20)/(x+3))*(1/(5*x-10))-2 = 0;x
x
d-(2*(d-x))+x;2*d+x-154
C-(4*pi*R)^-1;T-(140*pi*C)^-1;K-(1/(pi*C));6-((1/(2*pi*C))*((R+T)/(K*R*T))^(1/2))
(3*10)/2
(10*e)/3 < 92
| -5x+6(-6)=-11 | | 90+n-2=180 | | 72-6x^2=0 | | 20-10+9x=-x+9 | | 3ab-2bc=4 | | y=20-c | | 7x+16=-2x-11 | | 12-5n=-(-4+5n) | | 5x-14=-19 | | 6m=r | | 6mk=r | | 6km=r | | Z-3+2+3=10 | | 4k^2+2k-5=0 | | h(t)=-4.9t^2+24.5t+1 | | 4K+2K-5=0 | | 8x+13=12x-7 | | X(-9)=72 | | 5x+15+6x-10=270 | | 2x+2=-4x-5 | | -6(1-5p)=40+7p | | f(x)=.50x+10 | | 15-4v=-8(7v+9) | | -35+5x=4(6x-4) | | 2x+3+3x+7-5=100 | | -x-4(-5)=19 | | (15*15)=8*(8+x) | | -9x+12(x+11)=7x+6(x+2) | | 12.4=3x-5.6 | | 78=w+6w+4 | | 25x-y=20/z | | (10x+1)+71+38=180 |