If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
a-7 = -16 // + 16
a-7+16 = 0
a+9 = 0 // - 9
a = -9
a = -9
| k+10=7 | | 1/4x=13 | | n+5=-6 | | t+10=6 | | t+8=12 | | d/-4=-1 | | m/3=-7 | | a-1=-4 | | -15=w-9 | | -2+m=5 | | -4+w=7 | | 2w=8 | | 4(3x-4)-3(2x+6)=0 | | y+10=2y+1 | | b/2=5 | | 1=a-2 | | 0=a+1 | | -9+w=3 | | -4d=0 | | a+5=16 | | c+5/(-3)=18 | | -6n=0 | | a+3=13 | | 19=b+9 | | 4p+1=p+7 | | -8x=-7x+7 | | t/-3=6 | | 6t=0 | | w-7=-7 | | w-8=-16 | | -7k=-63 | | n-6=-16 |