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)
72/36 = x/25 // - x/25
72/36-(x/25) = 0
2-1/25*x = 0 // - 2
-1/25*x = -2 // : -1/25
x = -2/(-1/25)
x = 50
x = 50
| 4h=8h+50-164 | | 3(n+1)=9(n-7) | | (5w-9)+(-4w-5)= | | -3y=-8x-9 | | x^2-10x+m= | | 3(x-4)-12=2(x-6)+0 | | 13x+7=-3z | | 1.5+2x=90 | | x^2-10x+2= | | -7(x-1)=-7+7(x+8) | | 0=20t-0.4t^2 | | 2x/x^2-1 | | z^8+2z^4+1=0 | | H(t)=-16t^2+64t+21 | | 7=u-86 | | -8x+62=-8(x+6) | | 8(2f+2)=7(3f+2) | | X+5=-67+7x | | 16z^4-81=0 | | (x+2)(x+4)=3x+2 | | 16+13k=15k | | x^2-x-3/4 | | 6X+Y+2Y= | | -5y-17=7+y | | 8x+14-2x-2=-48 | | 3(2x-5)=9x+22 | | 2(3v+7)=-4(3-2u) | | -16+w=20-3w+20 | | 5x+1-3x-13+x=0 | | 8x+14-2x-2=48 | | 5-2(a-1)=2a-(4a+7) | | -4d=10-6d |