If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2nn=9
We move all terms to the left:
2nn-(9)=0
We move all terms containing n to the left, all other terms to the right
2nn=9
n=9/1
n=9
| 2.2=5g+8.7 | | 2.2=5g=8.7 | | 2h-11=55 | | 6x+22=10x-6 | | 2h-11=555 | | 4y^2+20y-144=0 | | 4q-3=5q-7 | | 670=2x5x | | 3x+5x+4x=7x-2x+20-10 | | 7y=31=10y+7 | | 6g+24=12g-6 | | 7+12x=12x | | 4(x-2)+4=12 | | (2x+3)+(x–6)=0 | | (x^2+5x+8/x+3)+(x^2+x-3/x-2)=2x+5 | | 2y^2+10y-144=0 | | 5-7y=-8 | | 3f+10=5f+2 | | 3u+27=8u+2 | | e+6=4e-3 | | 3x+4=12+7 | | 3x+5x+4=7x-2x+20-10 | | X^2=32x2 | | 7=2y-35 | | 3s+17=5s-7 | | z/12=12.6 | | 10=5+a | | 2(y+3)+3(y+1)= | | 13n+8=9n+16 | | 3x+(x-5)+(2x-25)=360 | | 3x+(x+5)+(2x+25)=360 | | 3/13=38/n |