If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
-9 = n-9 // - n-9
9-n-9 = 0
-1*n = 0 // : -1
n = 0
n = 0
| d+8=-2 | | b/2=-6 | | x-7=-34 | | 6+9x=51 | | 28+x=160 | | 3+a=8 | | d+10=6 | | w-7=4 | | d-1=-1 | | w+1=9 | | -2(2x+3)=-12 | | -6+4(-9x+6)=10 | | d+9=13 | | 4n^2+4n-36=0 | | -4=m-4 | | 18=w+9 | | a-6=-15 | | w-10=-7 | | m/-2=-1 | | 17=b+8 | | 7d=42 | | w+4=14 | | -5=b+1 | | 1+w=-5 | | 3+w=7 | | 5=t+3 | | m+7=14 | | 3+a=6 | | -6a=24 | | -3(-7x+2)-2x=-1 | | 8+m=2 | | 3b=-15 |