If it's not what You are looking for type in the equation solver your own equation and let us solve it.
d-3d=-8
We move all terms to the left:
d-3d-(-8)=0
We add all the numbers together, and all the variables
-2d+8=0
We move all terms containing d to the left, all other terms to the right
-2d=-8
d=-8/-2
d=+4
| 2x-10+46=90 | | 4(k-2)=1/2(8k-4) | | a+2-7=15 | | (m+7)(m–7)= | | 2x-10+66=90 | | 7+2d=7d+3 | | 2x-10+66=180 | | –2|w|−7=–37 | | 175m-75m+48,500=50,750-150m | | 2x+3x+6x=(20+5.3) | | 3b+2b=25 | | X=84-75x= | | -2x+8=1- | | x/7=(18+4) | | x5=7.X=35 | | c-(3+7)=6.4 | | X=85-75x= | | x(2x+5)=88 | | 6x–10=x | | 4(3x+x)+7-5x=8+5(5x-6x) | | 107+3y+1=180 | | 5/7m=6/5 | | 3x+6x=126 | | 133+5x+2=180 | | 15/9=j | | x+121=-52 | | 1/24x=1/12 | | 7(3r-7)+8=17-8r | | 3x^2-23x=-2x^2-9x-8 | | 10=5-5a | | y−5/12=5/12 | | 5x+6-x=2x+7-x+5 |