If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15=-18n
We move all terms to the left:
15-(-18n)=0
We get rid of parentheses
18n+15=0
We move all terms containing n to the left, all other terms to the right
18n=-15
n=-15/18
n=-5/6
| -1+7=x-14 | | M=√9+8x | | 6(n+9)+5=-2 | | -15=3g | | -2+9x+16+x=34 | | 5(y-2)+1=9y-8 | | 3+9x=7x+11 | | 34=2+9x+16+x | | 3t=6/7 | | -3.5x+33=30 | | h^2-3h-36=0 | | 1/4=b/8 | | 1/4=h/8 | | 8x-23=78 | | w/(-3)+6-1=2 | | 3(1-g)=7-g | | 2x+11+54=90 | | (3x+2)^2/5=4 | | (x+64)=(6x-31) | | p+35/8=63/4 | | 4=3b | | 7(w+9)=15+3w | | 3x+3=3(3x+4) | | -4a+5-2a-9=443 | | -15+2w+7=-2w+4-2w | | 3x/2+4=-5 | | 4a+2a+1=8+9a+5 | | -4x-40=4x | | 0.3t=0.8+0.8t | | 5x+2+3=90 | | -2d+8=-12+3d | | -2x+5=5(x+8) |