If it's not what You are looking for type in the equation solver your own equation and let us solve it.
18d+24d+17d=200
We move all terms to the left:
18d+24d+17d-(200)=0
We add all the numbers together, and all the variables
59d-200=0
We move all terms containing d to the left, all other terms to the right
59d=200
d=200/59
d=3+23/59
| 7x+8=-62-3x | | X×X+7x+12=0 | | -4(x+0,5)+2=2*(3-2x) | | b−1=15 | | 7^x=1/4 | | 12x=67 | | ((n-2)*180)/n=120 | | (n-2)*180/n=120 | | 3(3y-6)=0 | | -8x-8+3x-6=-3+2 | | 4t+1.2=8.8 | | x^2+8=84 | | x^2-8=84 | | 29.5+5.9y=53.1 | | 10b-4=1.5 | | 10n+17=27 | | 7/8w=1/2+3/4w | | 7+v=30 | | 21x-5=19x+5 | | 2(4-3x-3x)+3(3x+9)=11 | | 5r+14=-1 | | -7.5x+0.25=-2.75 | | x-5x10=9+2x-7 | | 9x-20=8-5x | | 17x+2=16x+9 | | 5=4c−11 | | 30=h-6h | | 12x+24=27 | | (5x+3)(2x^2-4x+6)=0 | | 11-2(x-3)^=3 | | 7^3x=179 | | -23x+23x=2 |