If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12s-12s+2s=12
We move all terms to the left:
12s-12s+2s-(12)=0
We add all the numbers together, and all the variables
2s-12=0
We move all terms containing s to the left, all other terms to the right
2s=12
s=12/2
s=6
| 13=4y-4 | | 4/7x+5/14x=59 | | -5x+4+2x=16= | | n6− 1=3 | | 6z-2z+2z-5z=16 | | -10a+30=100 | | y/4=1.3/2 | | -4+3x+10=4x+6–2x | | 8s+-2s-17s+9s=4 | | 3x-6+4=2(x-3) | | 5x=90=240 | | 15x+3=x+12 | | 2(x+5)=140 | | 12x-100=50+6x | | 22=y/12 | | 2(c+3)-4=4 | | -3x^2+17=113 | | -3n+12=36 | | 11z+5-z=9+10z-4 | | 3x+5=3x12 | | 0=3z^2-14z+49 | | m/1.7=54 | | -16a+19a-15a-(-15a)-(-10a)=13 | | -3x-5=-3x | | 9x=9,000 | | 6s-5s-s+s=8 | | 15=3-6k | | 11=8+d | | 9.65=0.87+b*1000000 | | 3z^2-14z+49=0 | | 26x+12x+2+6x+12=180 | | 10(v+2)=50 |