If it's not what You are looking for type in the equation solver your own equation and let us solve it.
18d+2d-10d=20
We move all terms to the left:
18d+2d-10d-(20)=0
We add all the numbers together, and all the variables
10d-20=0
We move all terms containing d to the left, all other terms to the right
10d=20
d=20/10
d=2
| 35=49-3b | | 5c+c+2c-4c=20 | | v/2+15=18 | | 12u+4u-11+2u+u=8 | | 12z/40=-14 | | 3(x+2)−2(x−3)=54 | | 4n-5=101 | | -27=-17+a | | 4-5/1*1/10x=1 | | 15-2f=5 | | 5x+4(-5+3x)=16-x | | 9m+2=5m-10 | | 6x-1+3x+3=20 | | n-27/9=8 | | x-5+6x=30 | | 2d−8=2 | | w/8-12=5 | | 2m-m=9 | | 4x-1=6+5x | | -13=h/15-17 | | 96=-2-5x-9x | | (x)=-3x^2+75 | | x/2+4=23 | | (2x-5)+(3x+20)+2x=180 | | 1/5(15x+20)+8=36 | | 1/2+x=8/9 | | 15+3(f-4)=9 | | 2x-38+148=280 | | 3+1x=12 | | 4x−3(x−2)=5 | | 2x+103-7x-22=180 | | 16-2v=8 |