If it's not what You are looking for type in the equation solver your own equation and let us solve it.
399-2b^0=30
We move all terms to the left:
399-2b^0-(30)=0
We do not support ebpression: b^0
| (u-1)^2=2u^2+5u+11 | | 5^3x-4=125^7-2x | | 8x=1=37-4x | | 20-3/2x=-3/2x+20 | | 0,7x+13,3=-0,4x+25,4 | | 12t+30=0 | | 4^x-10×2^x=16 | | 7x^2-7=x^2-2x+1 | | P=15+7d/9 | | 10y+8=2y+4 | | 8l-4=10l-2 | | (2x-4)=(2x-4) | | 12x-(6x+3)=8x.9 | | 3x2+11x+8=0 | | 0.05x+0.07(1000-x)=65 | | 7($0.15s)=$5.55 | | 8x-5x+4=0 | | (4x.14)-34=-5x-(6-3x) | | 9x-2×3x-63=0 | | 3+(x-1)=4-4x-3) | | 4x-30=102 | | 5/6x-20=0 | | 6x+52+4x-32=109 | | 6x•8-34=256 | | T=e^2/9 | | 6x(8)-34=256 | | (4x-7)(3x-5)=(6x-8)(2x-6) | | 4(x-6)+7=23 | | 5x-1=29 | | 8x+2=16x+4 | | 3(x-4)^2+20=8 | | Y=-xᶺ2+40x-406 |