If it's not what You are looking for type in the equation solver your own equation and let us solve it.
25.12=d3.14
We move all terms to the left:
25.12-(d3.14)=0
We add all the numbers together, and all the variables
-(+d3.14)+25.12=0
We get rid of parentheses
-d3.14+25.12=0
We move all terms containing d to the left, all other terms to the right
-d3.14=-25.12
d=-25.12/1
d=-25.12
| 2x-1+3x+3+41=180 | | 7x²+3=2 | | 7x²+3x=2 | | x²±5x±97=0 | | 147.7+x=180 | | 57.7+90+x=180 | | 3(2x-4)=-2(1+x) | | -1.4(3x-6)+2x-11=-20.2 | | 2.4=x/6.7 | | 2.4=6.7x | | X²+30x=400 | | -9x+6=-x+5 | | 1+28x=27x+3 | | 5+11x=24x | | 45=0.40x+10 | | 10+10x*0.8x=30 | | 4+–2f=10 | | 10+10x8x=30 | | 12=a11 | | 8q+5=37 | | -14y=34 | | 9(x+3)+-14x+-15=52 | | x^2-25=119 | | X²+y²-9=0 | | (12x-4)/12=x | | Y^-2y=15 | | 8v+4v=–96 | | 25=123^3x | | 8x−3=50−78x−3=43 | | 3.2x-6=-22 | | ∣4w−1∣=5w+37 | | 8(4x-6)=6x+30+12 |