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-(3*a) = 4 // - 4
4-(3*a)-4 = 0
4-3*a-4 = 0
-3*a = 0 // : -3
a = 0
a = 0
| 2-2n=14 | | 2b+2=18 | | 29.50=19.50+.25xm | | -7b-1=-43 | | 7a+5=-2 | | -7x-5=-82 | | 3-7k=52 | | -7-4t=-35 | | -3=2x/5+1 | | 2d+2=18 | | 1+6d=-53 | | -6+4a=-14 | | -10+3x=-40 | | 8+6w=26 | | 5=x/4+2 | | -4a+2=-34 | | 6d+8=-46 | | 4+6t=-44 | | 6w+2=-46 | | 4+7x=67 | | 36y+4-24y-6=x | | -2t+8=-12 | | 7t+5=-16 | | 3b-6=-3 | | 5-7t=-44 | | -4-2d=16 | | 15x+24(x-5)=465 | | -2k+3=-21 | | 8-3a=23 | | -9+3t=-45 | | -7a+8=-41 | | 0.4(y+10)+0.6y=2 |