If it's not what You are looking for type in the equation solver your own equation and let us solve it.
42+n=22n
We move all terms to the left:
42+n-(22n)=0
We add all the numbers together, and all the variables
-21n+42=0
We move all terms containing n to the left, all other terms to the right
-21n=-42
n=-42/-21
n=+2
| 5x2+x-10=0 | | 2=24=2m | | p+2.4=6.6 | | 10j=13 | | {s}{5}=1.2 | | 2/5x=3/2 | | 5x-2(x-1)=-23 | | 32+r=-6 | | (x*1.05)*1.05=92 | | (x*0.05)*0.05=92 | | 119=1/2n(n-3) | | 10(2x-4)=4(3x+10） | | 10(2x-4)=4(3x+10 | | n^2+-5n-3000=0 | | 2a3=4 | | 9c-5=-27 | | 5x+26=90 | | (5x+26)=3x | | 5m-4=2m11 | | x/5x–2=13 | | -x+201=99 | | 5y+7=5+3y | | 176-w=244 | | u^2+4u-77=0 | | |12x+13|-6=15 | | 4x+20=8x-80 | | 3y/3=-21 | | 3m+1=4m+3,m | | 9c/5=-25 | | 2a^2=75 | | 2a^2=√72 | | -3{4x+5}=33 |