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)
4*a+5 = 3*a+9 // - 3*a+9
4*a-(3*a)-9+5 = 0
4*a-3*a-9+5 = 0
a-4 = 0 // + 4
a = 4
a = 4
| -7t-4=3t+116 | | A-2a=-7 | | -3d-3=3d+33 | | t-3=7t-69 | | 4t+6=-t+41 | | -2+2w=-5w+54 | | 8-4m=m-27 | | 4+4t=3t+3 | | 1+6n=5n-6 | | 4k+3=-2k+69 | | 6598*69x-69=98 | | -m-7=3m-3 | | 2t+3=7t-52 | | 2x+4=68-6x | | -8+4x=6x-18 | | -6a-5=a-19 | | 4n+4=n+10 | | (-2x)/(1+x^4)=0 | | -4x+8=6x+88 | | 7w+4=-5w+64 | | 2+2w=7w-18 | | 7d+4=-4d-106 | | -t+10=4t+65 | | 5+7t=2t-25 | | d-6=-24-2d | | t+6=-42+7t | | -2d+5=6d-43 | | 7-5a=-2a-2 | | -7b+7=-65+b | | 2+3a=-5a+2 | | 4+7m=m+76 | | -5n+2=2n+72 |