If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2n+9=20
We move all terms to the left:
2n+9-(20)=0
We add all the numbers together, and all the variables
2n-11=0
We move all terms containing n to the left, all other terms to the right
2n=11
n=11/2
n=5+1/2
| 3x+18x45=44243 | | 3p^2+5p-6=0 | | 4(x-13)=152 | | 18=a/2= | | 72=x24 | | 5n+17=47 | | (3x+5)+(4x+10)+(5x-25)=180 | | 34+–n=–18 | | 3=9x+2 | | 56=8b+24 | | x^2+7x-26=0x^2+7x-26=0 | | 4^6-2x=3.5 | | 5(x+3)+6(x+1)+8x=40 | | 4=5b–6b | | c+10=58 | | -6x-23+23=19+23 | | 10x5=23 | | v−747=3 | | x3−2x2−5x+6=0 | | 32x+120=24 | | 165+x-x=65+x | | -1/2(6p+16)=17 | | 7x-35=-63(+) | | 2x-46=5 | | 154=-7(2x+2) | | 2x-2+53+90+90+6+10=180 | | v-2/2=5/3 | | -14y=30 | | 22.00+24.50x=47+47.00+18.25x | | t^2-12t+5=-56 | | 152=19z | | 16x=4+84 |