If it's not what You are looking for type in the equation solver your own equation and let us solve it.
d in (-oo:+oo)
d+5 = 12 // - 12
d-12+5 = 0
d-7 = 0 // + 7
d = 7
d = 7
| -2=d-3 | | 15=t+6 | | -3+m=-2 | | 0=w-3 | | -3=a-8 | | 7+n=19 | | 2.4x+4=9x-36 | | -7w=-84 | | k+1=7 | | a+10=22 | | 2+w=-1 | | m-7=0 | | w/-7=-3 | | t-8=-14 | | b+9=11 | | d+3=7 | | n+5=4 | | k+7=17 | | d-9=-19 | | Y-4=6y-19 | | 5+n=9 | | 14=a+7 | | 5=n+6 | | w-5=4 | | -2=k-10 | | 5q+11=9q-5 | | -39.00+x=17 | | 10+d=5 | | 3d=-36 | | 7=d+8 | | -2n=-12 | | 9+5(3-4x)=27 |