If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u in (-oo:+oo)
(2*u)/3 = 8 // - 8
(2*u)/3-8 = 0
2/3*u-8 = 0 // + 8
2/3*u = 8 // : 2/3
u = 8/2/3
u = 12
u = 12
| x^2-15x-43=-8x+1 | | 12-4x=14-3x | | (8/(x^2-3x))=(1/(x^2-9)) | | 73-3x=33x+17 | | 3(2z-1)+4(2+3)=5(2z-1)+4(3z-1) | | 20+2N=10 | | -6y+x=19 | | 11x-9=9x+11 | | 6x-2+2x-11=7x-13 | | 6x-8=1.3(18x-24) | | (m/(m-2))-3=(2/(m-2)) | | 11x-9=x+11 | | .25y+2.5=5.1 | | (3x+2)-(-x-1)=(2x+4)+(x+3) | | 49/9/2/15x3/7-47/6 | | -11x-7x=9x+21 | | x/3-4/3=x/2-3 | | 0.2+9.5-0.5x=3.2 | | ((z+1)/z)=(7/6) | | 1(-2x+2y)=1(-34) | | -1=-2/h | | 1/3w-1/2=5/6w+1/2 | | -3/8z=-9 | | 8/3=-2y | | 3/f=-1 | | 54/9/2/15x3/7-75/6 | | 6p+7q=60 | | -2(-x-y)=-2(1) | | 2(f-3)=9(f-2)-2 | | v^4u^6/v^5u^2 | | x^2+7x+45=-9x-3 | | 14b+-10b=-4 |