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/13 = 8 // - 8
m/13-8 = 0
1/13*m-8 = 0 // + 8
1/13*m = 8 // : 1/13
m = 8/1/13
m = 104
m = 104
| -w+9=16 | | -8(4+6)=16 | | 12+8(X-1)= | | 3w+3=-6 | | 4.6786*4,5656579= | | 5(3n-3)=(2n-3)+6 | | (7x)(x+2)=0 | | -7/22=n/22 | | 48-65417254752475427624-4561457= | | -12/18+19/18= | | 13x13/2x5 | | 51.1+90+X=180 | | x^2-bx-21=0 | | 6x-2=(2x+1)+(3x+11) | | 2(7x-4)+1=14x-7 | | (2x)(2x-5)=75 | | -72f/-6 | | |13/2| | | 14x^8/7x^4 | | (4x-10)=(15x-6) | | 10-2y=y-4 | | 54x^2-9x^3-576=0 | | 2n+6=7n-8 | | 30=q+13-1/7q+5 | | (a+b)x^2+(a+b)x-3a(a+b)= | | x+11=2x+13+4x+6 | | 8x^6/2x^4 | | x+11=(2x+13)+(4x+6) | | 12x-y=118 | | -3n+12n+7-5=15n-n | | 0.20(y-6)+0.14y=0.10y-0.01(60) | | (x+11)=(2x+13)+(4x+6) |