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)
m*((m-12)/9) = 5/9 // - 5/9
m*((m-12)/9)-(5/9) = 0
m*((m-12)/9)-5/9 = 0
(m*(m-12))/9-5/9 = 0
m*(m-12)-5 = 0
m^2-12*m-5 = 0
m^2-12*m-5 = 0
m^2-12*m-5 = 0
DELTA = (-12)^2-(-5*1*4)
DELTA = 164
DELTA > 0
m = (164^(1/2)+12)/(1*2) or m = (12-164^(1/2))/(1*2)
m = (2*41^(1/2)+12)/2 or m = (12-2*41^(1/2))/2
(m-((12-2*41^(1/2))/2))*(m-((2*41^(1/2)+12)/2)) = 0
((m-((12-2*41^(1/2))/2))*(m-((2*41^(1/2)+12)/2)))/9 = 0
((m-((12-2*41^(1/2))/2))*(m-((2*41^(1/2)+12)/2)))/9 = 0 // * 9
(m-((12-2*41^(1/2))/2))*(m-((2*41^(1/2)+12)/2)) = 0
( m-((12-2*41^(1/2))/2) )
m-((12-2*41^(1/2))/2) = 0 // + (12-2*41^(1/2))/2
m = (12-2*41^(1/2))/2
( m-((2*41^(1/2)+12)/2) )
m-((2*41^(1/2)+12)/2) = 0 // + (2*41^(1/2)+12)/2
m = (2*41^(1/2)+12)/2
m in { (12-2*41^(1/2))/2, (2*41^(1/2)+12)/2 }
| x-4+5x+12=9x-19 | | -158-4x=6x+18 | | (x-3)(2+x)=2-x(4-x)+3 | | 85+.5x+30=140 | | 4p=84 | | 2t=98 | | 2200-g=89 | | -95-7x=10+25 | | 5x+34=12-36 | | 5x+34=12x+36 | | 5x+9=46 | | y=4x+-2 | | 4e^4x-9=16 | | 21x-19+3x+7+x=180 | | 7+7/7+7*7-7= | | 5x+6=y-21 | | log(3x+6)=1 | | 6m+11=25 | | 190-2x=43x+15 | | -23-2=8-7x | | -12-2x=8x+17 | | X-24X+144=0 | | 14/-18 | | 8x+26=3x+156 | | 76-4x=5x+24 | | 8-8x=16-15x | | 5x-5=15-75 | | 9x+x+-20=0 | | 5=3-20x-12 | | 20z+5+12,5=16-1/2z | | (2x^1/2)^3 | | (2x^1/2)^3/4x^2 |