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 = 3 // - 3
a-3+7 = 0
a+4 = 0 // - 4
a = -4
a = -4
| 4(x-7)+4=2(x-6) | | 3x+2=9y+2 | | 2x+3=4y+3 | | -8(x+7)=-8x-5 | | 6+m=2 | | 9+n=9 | | 4+a=14 | | x-1/1-x | | 4(5a+2)=-92 | | n-3=-13 | | d/-2=6 | | w-10=-16 | | 11=b+1 | | 7a=-7 | | 4x+3=2y+7 | | -4x+2=-2(4x+11) | | (5x^3-10x)/(5x^3) | | 4p-3=2+1p | | 3b=-12 | | 14=w+9 | | 3+t=4 | | 6+d=5 | | 7m=-70 | | -4+a=6 | | 1/2(21-3a)=6-a | | 4(4n+4)=80 | | 0.8(x-8)=2.4 | | 5+d=8 | | 4(2k-7)=-36 | | 4(-4+6a)=176 | | 5(5-2x)=65 | | 2(8+6d)=76 |