If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x^2-((5/2)*x)-(3/2) = 0
7/11 = 15/x
6/8 = x/20
1-(1/x)
89;67
| x^2-5/2x-3/2=0 | | 7/11=15/x | | 0.5x+0.3=2.3 | | 6/8=x/20 | | 7x-3x=3x-10 | | 4x-30=7x+3 | | 4x^2-12r= | | 3x-2=6x+3 | | 10d+8=2d+64 | | 14=2d-26 | | 375x+300y=1950 | | 10x^4-2x^3-15x^2+3x=0 | | 3/100=10/x | | 15y^2+62y-290=0 | | -5(3x-7)+4=14 | | 4Q-2000=Q | | 5Q-2000=Q | | Q-500=Q | | 3Q-1500=Q | | 6Q-3000=Q | | 15x^2+9x-10xy-6y=0 | | 5Q-2500=Q | | -7-9+m=4 | | 450x^2+180x^3-10x^4=0 | | (3x-8)(5x+7)=0 | | 2x+4(0)=6 | | 7(y-2)+3y=7y-14+3y | | 4(0)+2y=18 | | 3x-2=1+5 | | x(x-6)=-5y-34 | | N=kQ^1Q^2/s^2 | | 9X1/3= |