If it's not what You are looking for type in the equation solver your own equation and let us solve it.
m in (-oo:+oo)
(2/3)*(m-8) = 4 // - 4
(2/3)*(m-8)-4 = 0
2/3*(m-8)-4 = 0
2/3*(m-8)-4 = 0
2/3*m-28/3 = 0
2/3*m-28/3 = 0
2/3*m-28/3 = 0 // + 28/3
2/3*m = 28/3 // : 2/3
m = 28/3/2/3
m = 14
m = 14
| 1/3*x=9 | | -2y^2+x+20y-47=0 | | 12M+12=24M-3(4M-4) | | 80=-5(v+2) | | -1/3v=2 | | 3^4x=1/27 | | -8X=30+2X | | x-2+4=95 | | 9+h=5 | | 13+(-20)= | | x/10=9/2,5 | | s+3=3 | | 8+d=9 | | 100X+125Y=128455 | | 100X-125Y=128455 | | x^4-x^3+10x^2-16x-96=0 | | 12x^7-6x^4/2x^3 | | 100X+125Y=22050 | | X/2-6=4 | | 2x+3y=55 | | x^2-1x=6 | | 11(x+11)=286 | | 4(x+2)=56 | | x-12/10=9/5 | | 20K+7-14K=187 | | 1/6y+6=-10 | | x+20+2x-30+3x-50=180 | | 180=5x+10 | | 10/5=x+6/9 | | 25b^2-20b=0 | | x^2+5x-3= | | 4x^2+12x+5=-4 |