If it's not what You are looking for type in the equation solver your own equation and let us solve it.
6d=87
We move all terms to the left:
6d-(87)=0
We move all terms containing d to the left, all other terms to the right
6d=87
d=87/6
d=14+1/2
| 3x^=121 | | m^2+18=-9m | | `6(2x-3)-4x=9` | | 16x-2/3=10 | | x-7=A(x-2)+B(x+3) | | 4/7=32/y | | 3x+1/5=19/20 | | x+6+3x+16=90 | | 17a-3a-2a-8a-a=18 | | 3x-7≤-28= x≤-3 | | 2f−–3=7 | | 21 (8x+10)=13 | | 5+4^2x+1=14 | | 4z-6=3z=3 | | 7y-3y-9=73.24 | | 70.5=70.5-00.016x | | 3c+3c+c-5c=16 | | 2(3x+2)/5=8 | | x3−6=x(x2−3) | | -4/(p+6)-6=110 | | -10c-19c+-20=9 | | 0.8x-11=0.3+41=104 | | –10c−19c+–20=9 | | 8+(-14)=3x-6-2x | | 6x-24=16 | | -5+8x=61 | | (1+i)(2+3i)(4-3i)=0 | | 5x^2-x+4=3x^2*3x-12 | | 23x-6=13x+4 | | 100+9x+15-x=190.28 | | y+2.5=-6.9-7.9 | | 4u+5=20 |