If it's not what You are looking for type in the equation solver your own equation and let us solve it.
78=-6d+6
We move all terms to the left:
78-(-6d+6)=0
We get rid of parentheses
6d-6+78=0
We add all the numbers together, and all the variables
6d+72=0
We move all terms containing d to the left, all other terms to the right
6d=-72
d=-72/6
d=-12
| 4=16/t | | -5(1+6x)+6x=-77 | | (4x)+(5x)=180 | | -1/2(6x+7=-3x-5 | | 2x-6=-21 | | 0.4x-1.9=-7.5 | | 3-3x=18-2x | | 1+x+2x=10 | | 3u-45=-9(u-3) | | 34=9r-11 | | 15y+26=161 | | -24=-y/9 | | 8x+5=4x-17=180 | | 21a=28a-6=-10.2 | | 10^(2x-5)=85 | | 3(8-2x)+6=4x+40 | | x^2+x(x+10)=720 | | -44=-2+3(-2-3m) | | 0.38x=18 | | (13x-11)=90 | | -44=4(1-4x) | | 8(7+4x)=312 | | (13x-11)=180 | | -13x-5(6-4x)=4(x-2)-22 | | 29=3k | | -14d=2 | | -x-6x=15-2x | | m-1=-12 | | -3(4m+1)=-51 | | 4(=2d-3)=12 | | 2x+3=2x+19 | | 51=9r-3 |