If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-1n+9=2n
We move all terms to the left:
-1n+9-(2n)=0
We add all the numbers together, and all the variables
-3n+9=0
We move all terms containing n to the left, all other terms to the right
-3n=-9
n=-9/-3
n=+3
| 4x(7+-5)=13 | | b4+8=-2 | | x+(2x)^(1/2)=7 | | 5−8n=−107 | | x+16+13+x=22 | | 2+4=-2(3x-3) | | z+1+2z=8+3z-7 | | x+1613+x=21 | | C^2D^5x/E^4=T^3K/Y | | 2n—3(4n+5)=-6(n—3)—1 | | -11+16=-5(x+1) | | ⅔x-½=⅓+⅚x | | 2n–3(4n+5)=-6 | | 0=4=(n/5) | | -12=14r | | 10x=5(10) | | -6w-4+8w=2w+18 | | 16+3x=195+2x | | .15x+.07(50000-x)=6000 | | 2(x-3)-7=-13 | | 30(y-10)=15y | | 3x²+13x-8=0 | | 30(y-10=15y | | 5500=9*2*i | | 19+1=-4(7x-5) | | 7.5x=2x | | 30=3y+10 | | 1/2(4t+8)=32 | | 36+145e=443 | | 4x+28=4x+3 | | (6x+3)^2=90 | | g(-343)=-(1/8)(-343)1/3 |