If it's not what You are looking for type in the equation solver your own equation and let us solve it.
80=2n
We move all terms to the left:
80-(2n)=0
We move all terms containing n to the left, all other terms to the right
-2n=-80
n=-80/-2
n=+40
| 6x-22/5=4 | | 2x÷30=1500÷x | | 22x+7=35+15x+180 | | 72/13=8/x | | 2x+27*9=5 | | 1(x+4)=-3(x+5) | | 3-2x=9x | | 48=12*n | | 3(7x-21)=-25 | | 2(x+7)=-6x+9+4x | | 2v+4=5v-14 | | 30=6*n | | 6x-22*5=4 | | 5(3-4x)=-6+20x-9 | | 2y+5y=49 | | 13/72=x/8 | | 400≠20(x)+240=240 | | 7(x/4)=-14 | | 0=9+x/6 | | x+4=2x=7 | | 3/s-1=1 | | 9+2m=15 | | X=3y(2+5y) | | x+6/8=2 | | 7(x/4=-14 | | x/10+5=6 | | x/10-6=3 | | 22x+7=35+15+180 | | 4-4m=-8 | | 1=p2-2 | | x-26=34 | | 5x+5+8x+4+80=180 |