If it's not what You are looking for type in the equation solver your own equation and let us solve it.
10n+11=81
We move all terms to the left:
10n+11-(81)=0
We add all the numbers together, and all the variables
10n-70=0
We move all terms containing n to the left, all other terms to the right
10n=70
n=70/10
n=7
| v/5+13=42 | | 3(9k+12)=15 | | 2x+5+2x+3=2x+6 | | 12r-6r+4r=10 | | 2x+5+2x+3=2x+5 | | 12n-7=65 | | 153=97+f | | 3y+2+y=22 | | 2x+5+2x+3=2x+4 | | 7=y/4-13 | | −4=−3t+6.5 | | 2x+5+2x+3=2x+3 | | 7v+v+3v-5v-v=10 | | 2x+5+2x+3=2x+2 | | 2x+5+2x+3=2x+1 | | 2x+5+2x+3=1x+9 | | 2z+7=72 | | J/5–g=4 | | 2x+5+2x+3=1x+8 | | 3y+2=y+22 | | 21q-q-6q+4q=18 | | 7(x+5)=59 | | 8n+5=90 | | 117=65+v | | 2x+5+2x+3=1x+6 | | 2x+5+2x+3=1x+4 | | 12n+6=90 | | 2x+5+2x+3=1x+3 | | 4x+40)+3x=180 | | 2(3x-1)^2=98 | | 2x+5+2x+3=1x+2 | | 2x+5+2x+3=1x+1 |