If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5n+4n=0
We add all the numbers together, and all the variables
9n=0
n=0/9
n=0
| 1/5x=212 | | 3(2x+2)=-5(5x-5)+4x | | 8.6^2=4.3^2+x^2 | | 3(x/4+1/4)=2x-3 | | 2(5x+2)=-5(3x-2) | | 3x-4=x(1/2)+6 | | 2^2x=26 | | 4((-4x)=-16 | | 16/20=2x/4 | | 2/4=w-2/4 | | 7x-22=36 | | -5(x+1)-3=-38 | | x^2+6x=X) | | 2(x^2)-5x-3=0 | | 0.10(y-4)+0.14=0.08-0.6 | | 4(x-3)-16=-20 | | 16x^2-48+36=0 | | -8(5x-6)=-192 | | 8/3=9/w | | -18-7x=3x-3 | | 3s-6s=34.75 | | 7x+7/5=63 | | 6(2y-1)=4y-3+3y-8 | | 6^(3x+1)=1 | | -4x+4=15-3x | | 6^(3x1)=1 | | 48/5x=-9 | | -1+6x=6x+6 | | 4x-24/3=-4 | | 8=9b+17 | | -24-12k=k-37 | | 9h/10-12=569/70 |