If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15=5d
We move all terms to the left:
15-(5d)=0
We move all terms containing d to the left, all other terms to the right
-5d=-15
d=-15/-5
d=+3
| -1n-20=-10 | | 5(n+6)=4+6(n-3) | | x*8=56 | | 4.1=-5.3d+14.7 | | 5(x–3)+8x=6x–5+x | | 15x-12=5x-7 | | 5x-2+1=3x+1 | | 3q+173=7 | | 2d-126=9 | | 5=0.014x^2-1.19x+28.25 | | 15n=-n+224 | | 5^(x-6)=3^2x | | g(3)=3(3)-7 | | 52=r+8r | | 8/7=x/16 | | 52=7n+4+8-5n | | 4(15-7c)+8c=20 | | 10n=4n+18 | | 2a-6-1=a-6-3 | | 3^(x+7)=4 | | .25x=32.50 | | 16x^2+36x+18=0 | | 8y-7y+2=14 | | 3x-4=2x/7 | | 2x-4=3-4x | | 2(x/5)=-8 | | 18^6x=11^-x-7 | | 2(x+4)+66=22 | | -32-74(-21)=d | | 2u+38=7(u+9) | | 1/2+m=5/8 | | F(4)=-3x+8 |