If it's not what You are looking for type in the equation solver your own equation and let us solve it.
8n-7.2+n=19.8
We move all terms to the left:
8n-7.2+n-(19.8)=0
We add all the numbers together, and all the variables
9n-27=0
We move all terms containing n to the left, all other terms to the right
9n=27
n=27/9
n=3
| 4(8+2m)+7=103 | | 3d+10=-15–2d | | 6x+3=5x–8 | | -4.23+x=-55 | | 9x+15=10x-1x-3+17 | | 4^x-3=9^2x | | 54=3*7-x | | 24x-9-18x4x=22x-3-16x+15 | | 9x+15=10x-1x-3+1 | | 344=200t | | 5x-14=3x=2x+22 | | 85+4x=125 | | 208=8(7x+5) | | 6(-11x-2)+9(5x+6)=0 | | -1/8+y5/3=5/8 | | h3− -20=25 | | x+9-4=3 | | h3−-20=25 | | 48=b*6 | | -1/8+5/3y=5/8 | | 14r−14r+2r−2=16 | | 168=37-y | | 5x-9=7+x | | 91/3=12/3x | | 4x^2-15x-40=0 | | 1=-2d+5/3 | | x(-0.12)=27 | | 4x=17x-9 | | -432=8(7b-5) | | x+7/8=1 | | 28=2l+2*5 | | 1/4(12-8)=2/3(6x) |