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)
(-2/3)*u = -8 // + 8
(-2/3)*u+8 = 0
8-2/3*u = 0 // - 8
-2/3*u = -8 // : -2/3
u = -8/(-2/3)
u = 12
u = 12
| -5u+3(u-7)=-25 | | 7x+2=17+4x | | 3a/2+5=11 | | cos(x)=6x | | cosx=6x | | y=3/4x-9 | | 3(3x-5)=4x+1/3 | | p/3+d/4=14 | | Y-6=-4/5(x-2) | | 4-2w=3-3u | | 2ab(a+b)= | | 5.63= | | C/119-214=809 | | X^4+4x^3+2x^2-12x+9=0 | | -3x^2+7x+2=x | | -5x^2+7x+6=x | | n^2-3n=238 | | n-3n=238 | | 3x-4(2x-1)=7(x-2)+x+10 | | 28-x+15=15 | | -8+4x=10-3x | | 4f-6=-6 | | (15a^2)+(9a^3)=0 | | (15a^2)+(9a^2)=0 | | 6.3+1.5n=2.10 | | x(x+1)=5x-4 | | x*3/x=5 | | 9y+2x=-15 | | x*3/x=5*x | | 2y+9x=-15 | | 2m-4=8m-8 | | 2y-9x=-15 |