If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3n+3=13.9
We move all terms to the left:
3n+3-(13.9)=0
We add all the numbers together, and all the variables
3n-10.9=0
We move all terms containing n to the left, all other terms to the right
3n=10.9
n=10.9/3
n=3+1/1.57894736842
| 9x+8=4x+4 | | 26.4+q=6.7 | | 7y+7=57 | | w²+30=11w | | 3(x-5)^2=108 | | -a=-1 | | 0.8•x=1 | | 4/5•x=1 | | 3x^2=25x=8 | | 3(2x+5)=-2(7-4x) | | 3(2x+5)=-2(7-4) | | 81=2v+7v | | r^2+6r+5=-1 | | 4x+57=9x+7 | | r^2=6r=5=-1 | | 7f+3f=52 | | 1/12y-3=-15 | | 5x+1=3.5x2 | | 4n^2=-6n-11 | | m6=-10 | | k12=2 | | 8+5n=2 | | -7(2x-4)+2=-26-7x | | 2x-19=6×-3 | | 4/5=t/25 | | 20b+11=13b+15 | | 5x+1=3.5x2x | | 2x+5+6×=-27 | | 35=7t-3 | | 3(1+x)-(-2+x)=22x | | 7h-5/4-11=11 | | H=-4.9^2+6t+13 |