If it's not what You are looking for type in the equation solver your own equation and let us solve it.
6n-12=90
We move all terms to the left:
6n-12-(90)=0
We add all the numbers together, and all the variables
6n-102=0
We move all terms containing n to the left, all other terms to the right
6n=102
n=102/6
n=17
| 9+5x-6=14x+3-9x | | 3-1=z | | -3x+14=-7x=12 | | 5x+5=9x+7 | | 2t=26+2t | | -4(4x+8)=-96 | | x+-19=24 | | 3t+7=5−83t+7=5−8 | | 42.5-3x=24.8 | | 6n-17+6n=12n-17 | | 5x+5x=9x+7 | | Y+5x=9;=-2,0,3 | | -0,5x+14=16 | | -x-11=16+4x | | 2j+6=-6 | | 13=-2(k-17)+13 | | 26=3x-4+5x-10 | | -9b+6b=16-37 | | 3b-9=6b+3 | | -7-p=-p-16+9 | | 78=18-4g | | 8.5h=187 | | 8(b-7)=-112 | | -7y+5+y=24 | | X^2-26x=-25 | | 15-4n=-12-4n | | -0.75(x-3)-5=1/8(x-1) | | -20=-3/4x | | 4n/3-2=n-4 | | -5c-1=-41 | | 4|2x-5|+18=12 | | -9=-2m+5m |