If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7n-5.2=15.8
We move all terms to the left:
7n-5.2-(15.8)=0
We add all the numbers together, and all the variables
7n-21=0
We move all terms containing n to the left, all other terms to the right
7n=21
n=21/7
n=3
| 1x+57=21+4x | | -1/2=q+2/3 | | 3(x-5)+x=x-6 | | 5(6v+4)-20=200 | | -3.2t=-8 | | 40x=30x-60 | | -20=-5+x | | m=12/4 | | 5(−6x-6)=-60 | | m=164 | | 3x-9=5+9x | | 18x-24=12x+30 | | H(t)=6+16t-2t^2 | | 3x-9=59x | | 7x+17=213 | | 4x+1=5x–2 | | 3x=3.5 | | 3-9v=84 | | 6x+11=155 | | 70x-50=66x-22 | | 2.x+11=99 | | 19=2r-11 | | 18x+34=25 | | 8=4+-2g | | 5x+13=288 | | 2n+13-8n=15 | | -0.20p+7=-0.30+5 | | 15x+10=6x+13 | | 4x+128=440 | | 2x+8=-26x+22 | | 1/4x+8=61/2 | | 3.3x-1=2.3x+2 |