If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3n+20+2n=20
We move all terms to the left:
3n+20+2n-(20)=0
We add all the numbers together, and all the variables
5n=0
n=0/5
n=0
| 4x+48=108 | | 1768=1/2*52*h | | m+45=30 | | 6x+2x=5x+8 | | 5y+18=-4+3y | | f(6)=9f(6)=-15f(6)=-12f(6)=3 | | 4x+4+4x+4+4x+4=180 | | 13+4v=8+3v | | 4/3x-7/2x=91/12 | | 3k+2(5k)=7 | | 2(15x-2)+46=180 | | C=-3t+30 | | 3.5+10m=8.73 | | 12+2x-2=3x+3 | | 2(12-w=-2(w-17)-10 | | -23=5-8n-4 | | –3(d−8)=3 | | 5/2(3x-4)=8x | | 1.5-2=y+10 | | 3|3x+4|-7=5* | | -483=7(5x-14) | | 5x+3x+5x+20=180 | | 17+2s=s+11 | | 1768=1/252h | | 15x-6+x−3=39 | | 8+b=18 | | 4x-26=100 | | 3k+45=5k+25 | | 90=10p–90 | | 1.2(x+5)=4x-2.4 | | 11x+5=24x+5 | | -8x2+22=0 |