If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-3=13N=39
We move all terms to the left:
-3-(13N)=0
We move all terms containing N to the left, all other terms to the right
-13N=3
N=3/-13
N=-3/13
| 2y+18=21 | | p2–10p=0 | | 2^(x+1)=5x | | 4-2x=-2+4+42x/2=2/2x=6 | | X/(x+3)=5/(x+7) | | 2x-7=8x+112x−7=8x+11 | | 8-16x=5x+1 | | 6x-2=53 | | x/6+3=-18-3-36xx/6=-15x6x=-90 | | 3a-5a=(a=2) | | 5x+2(87-x)=30 | | 7x²+6=706 | | -–3v+4=10 | | 5(x+3)=x(x+7) | | y-4=-3× | | 5(x+15)=x(x+7) | | 2x-2=14-2-22x/2=12/2x=6 | | 1045=45a | | c-21=1 | | x^+6×=-8 | | w−10≤16= | | d+14=4 | | -2x=x^2-15 | | w=10≤16 | | -14=10/11c-24 | | 32÷k=4 | | y/5-34=22 | | n=n/21 | | 2√4x+6=19 | | 5x=x^2=126 | | √4x+6=19 | | 1099=(15a+500)-(8.50a+600)-750 |