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)
500/250 = x/5 // - x/5
500/250-(x/5) = 0
2-1/5*x = 0 // - 2
-1/5*x = -2 // : -1/5
x = -2/(-1/5)
x = 10
x = 10
| -5x+4=-x-4 | | 10p^2-4p=6 | | 2(4a-3)=-2 | | 2-8(y+6)=4y-70 | | 10-18x=7x-56 | | 3x-30=4x-30 | | 7/49=x/105 | | 36x-9=30x | | -0.142857143yi=-4i | | 8d+3d^2= | | (2x-20)+(5x-13)=180 | | 12b+13=6 | | 3m+4m=-4 | | x/20=45/225 | | -5x+3=4x+7 | | 0.005/0.5=x/10 | | 2e^4x+6=8 | | 2(-4x-6)=-76 | | 5=2d-18 | | 18+4x=-2x-12 | | 60/4=x/7 | | 3,030/m=600 | | 1000/200=x/30 | | 8(13x-7)=7(x-9) | | 7(2a+3b+2c)= | | -1.05+-0.58-2.12+-2.67= | | 2x+3(x+1)=5x+9 | | 50x-25= | | 2+7t=21w-12 | | 24/288=x/180 | | 3x^2+8x-315=0 | | -7d-8=-8d |