If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
8/d = -x/10 // + -x/10
8/d-(-x/10) = 0
8/d+(1/10)*x = 0
8*d^-1+1/10*x = 0 // - 8*d^-1
1/10*x = -(8*d^-1) // : 1/10
x = (-(8*d^-1))/1/10
x = -80*d^-1
x = -80*d^-1
| (2*10^13)/(3*10^8) | | 1/2x-6=3 | | 3lnx^2=0 | | (7x-3)(8x+2)=0 | | 365/54750 | | -63=-9(w+5) | | 3x*lnx+x=0 | | 143=4d+1+106 | | 5*(x-1)=3*(9-x) | | 3x*ln*x+x=0 | | 12x-n=5n | | -33=x^2-12y-6x | | 3s=30+30 | | 1-8u=33 | | 6x^2-36x+3=0 | | 85=9v+4 | | 6x^3-x^2+9x+2=0 | | 122=2c+64 | | 2x-5y+z=10 | | 2z=67+95 | | 3*(x+4)-2*(x-1)=5 | | y-3=3.2(x+8) | | X/12=X-3/8 | | X^5/3=-243 | | 85=3k+2+20 | | 15r^3+3r^2-18r=0 | | 4(x-10)=-2(20-2x) | | 135=90+3v | | f(x)=x^4-64x | | y=(x+1)*(0.1x+1)*(0.75x+1)*(0.75x+1)+928.8 | | 50.4=x*(1.5*x) | | 8x^4-24x^3+x-3=0 |