If it's not what You are looking for type in the equation solver your own equation and let us solve it.
20+2n=180
We move all terms to the left:
20+2n-(180)=0
We add all the numbers together, and all the variables
2n-160=0
We move all terms containing n to the left, all other terms to the right
2n=160
n=160/2
n=80
| 5x+7=2x-49 | | 2p^2-14p-36=0 | | 18-9y=y^2+8y+16 | | (2t-1)(2t+1)-(4t-3)=4t*(t-2) | | 2*(3+n)=14 | | 9/4x=3/5 | | -5x^2+25x-30=0 | | 288=x+(2*x) | | 2q=–8+3q | | 3x+11=(x)/3 | | X^2+x^2+4x+4+x^2+8x+16=80 | | 5x-13=-28x= | | 2(4x-3)=2(8x-6) | | a/(a-1)=-4/3 | | 7n-2=-2+7n | | d/(d-4)=20/11 | | d/(d-4=20/11 | | X^2+(x+2)^2+(x+4)^2=80 | | 3y-10=7y+2 | | n/(n-4)=-32/7 | | 24+23x=17+24x | | 9a+5=4a+15 | | (3x+35)+4x=180 | | s/5+225=2225 | | x+(x-1)+(x-2)=57 | | 28-14x=56 | | 2.5+0.15=0.4n | | 4x-6=2x-30 | | 8p=47.2 | | 41=53+m | | 12d+8=4d+80 | | 5m+4=3-4 |