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)
5/2 = x/20 // - x/20
5/2-(x/20) = 0
5/2-1/20*x = 0 // - 5/2
-1/20*x = -5/2 // : -1/20
x = -5/2/(-1/20)
x = 50
x = 50
| -2-(-41)=x/2 | | 0.6x+x=30 | | (3.6)x=-5.5 | | 38+4y-6=15y-10-5y | | .49*k=6.272 | | 3x-15=-3x+36 | | 6x+10+10y=0 | | -5(x+1)-10=28+2 | | -6.2(2y+4)-2.7(4y-6)= | | 100-4x=11 | | 3604x^2+5858x+5219=0 | | x=x^2+8x+15 | | -6y+1=-23 | | f(x)=x^2+8x+15 | | x^2+8x+15=f(x) | | 100x-4x^2=616 | | -3-(2-5p)= | | 18=2p-4 | | 8/9=6d | | 15m+5=4n-6 | | -0.8(4x+0.4)=0.38 | | c^2+6c-18=0 | | c^2+6c-8c=0 | | .28944x+3.5286-6=0 | | .28944x+3.5286-5.3=0 | | .28944x+3.5286-3.778=0 | | .28944x+3.5286-0=3.778 | | 21+20x-25x^2= | | -(6x-7)= | | 7x^2=-40x-25 | | 22x^2+x-1=0 | | (-9-(-1+7))-(-17-(-1))= |