If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9=3n=4n
We move all terms to the left:
9-(3n)=0
We move all terms containing n to the left, all other terms to the right
-3n=-9
n=-9/-3
n=+3
| 5-3x=5-10x | | (3x-1)=20 | | 1/2(x)(x√2)=98 | | 3x-6=10x-7 | | 2x+26=4x-12 | | 2^m=2.02 | | 2.5-00.2x=-0.12 | | 3-3x=11-4x | | 9(u-2=18 | | 3a^2+3a-2=0 | | X^2+6x-17=23 | | 2×(x+7)2=242 | | 7(r+7=2r-1+3r+60 | | -h=12 | | 3(u+8)=-3(6u-6)+9u | | 6975000000=5(3)^x | | -u=64 | | 9x*1.5+3=113 | | 3x-4x+2=5x-3 | | 10x-6=x-6 | | 53x-69=420 | | 63=9y-2y | | 8x-2(x+6)=30 | | 16+x=12* | | 4x−5=2x+11 | | (x-8)^2-6=43 | | (x+8)(x-2)-39=0 | | 8x-2(x+6)=0 | | 2y/7+4y/7-3/14=1/14 | | 7-w-2/3=5-w/2 | | x+44/2xx=11 | | 49=x+6x |