If it's not what You are looking for type in the equation solver your own equation and let us solve it.
S in (-oo:+oo)
S/2-4 = 2 // - 2
S/2-4-2 = 0
1/2*S-6 = 0 // + 6
1/2*S = 6 // : 1/2
S = 6/1/2
S = 12
S = 12
| 13-3r+2r+6r-2r-1=3+(2*9) | | 9.2=5.7+h/6+.4 | | 16.5x-2=18x-5 | | 21q-11=1 | | M/6=48 | | 10(-(2x-5)-13)=-210 | | 78=e+12.2 | | 123n-123+1=3 | | 12.15c+13p=76.30 | | 4x^3+12x-28= | | 1x+2y=44 | | 3x+44=5-2x | | 3y-6+y+30=5y+30-3y | | 2b-b-7b= | | 18y=-36 | | 11x-3x+10= | | X(8)=55 | | 7+13m-6=8m+51-5m | | 3x+(2x+50)=120 | | 2r/5=4/7 | | 4m+2=7+m | | 3x+(2x+50)=110 | | 33/3x-2=5.5 | | 27-8a+16a= | | y=1.8x+3.1 | | ((100-100*y^2)^(1/2))/2 | | 7a/8=2/5 | | (4x^3-8xy^2+2)dx+(4y^3-8x^2)dy=0 | | x=-13-3-8 | | 3x+(2x+50)=150 | | 4/3t=8/11 | | 3x-7=84-10x |