If it's not what You are looking for type in the equation solver your own equation and let us solve it.
1+3d=19
We move all terms to the left:
1+3d-(19)=0
We add all the numbers together, and all the variables
3d-18=0
We move all terms containing d to the left, all other terms to the right
3d=18
d=18/3
d=6
| F(x)=-2x*17 | | 3=2h−3 | | 2v−3=1 | | 7.5/3.3=10/x | | y/7.5=-3.75 | | 25+6x=8.25x | | 12-6x=-12 | | x(.60)=32 | | 10x+3=12×-9 | | 2x+x+x-5=79 | | 6x+2=4+8 | | 50p(30-p)=0 | | 2x4=2x=9 | | 89=15x+29 | | x/2-5=90 | | 13b=-7 | | 3/8+n/4=2 | | 33=-5t-2 | | 73+n/6=57 | | z/8+6=-20 | | 8x-77=3x+88 | | x=4^x=35 | | x/4^x=35 | | -6(x-2)+4(3-6x)=35 | | 74/x=9/16 | | 74/a=9/16 | | 3|x+7|=24 | | 2(x+3)=3(x+1/4) | | 3x3=64 | | u+1.43=6.19 | | 1-7p=6-8p | | 3w²-12w+7=0 |