If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4d-1+2d=20
We move all terms to the left:
4d-1+2d-(20)=0
We add all the numbers together, and all the variables
6d-21=0
We move all terms containing d to the left, all other terms to the right
6d=21
d=21/6
d=3+1/2
| 15p-8p=14 | | 8w+28=12w | | -10n+18=-3(5n-7)+5n | | x/12=3/12 | | 20/6=x/36 | | 4(v-1)=9v-29 | | 3x-60=2x+1 | | 17.70=p+p•0.03•6 | | 3x-20=2x+1 | | 3.2x3.2x3.2=32 | | 2x+2+2x-3=132 | | 3.5x-7=2.4x | | 3x+45+3x-13=180 | | 3x-4(3x-9)=90 | | 2x-x/4=60 | | 6x4−54x2=0 | | e=110*10 | | 28z+49-21+24=7 | | d÷-8.4=-10.2 | | (4x/3)/16=12 | | 42=x-16 | | 2x+50=-2x+2 | | 2a+a-4+2a-4=180 | | (9x+29)+(93-5x)=180 | | -4(4x+2)-1=8x-9 | | 63+-1x=2x+3 | | 2tt−2−4t−2=1 | | 4p+4p+p+18=180 | | x-8×3.14=3.14 | | 4p+4p+p+18=18£ | | 3x+8(x+9)=-16 | | 3/5a=5 |