If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15b-10b=20
We move all terms to the left:
15b-10b-(20)=0
We add all the numbers together, and all the variables
5b-20=0
We move all terms containing b to the left, all other terms to the right
5b=20
b=20/5
b=4
| X+19+2x+27=13 | | 9(x+1)-5=5x+4(2x+x) | | 0=-16x^2+300x+20 | | F(x)=24+6x | | -4(-2x+8)=-6(x-18)+12x | | 3(x-2)-2(x+1)=5(1-2x)+9 | | -16-8v=(4v+3) | | 5.5x+50=116 | | −5|x+1|=10 | | 25m+33600=35000-150m | | y=(-3+4)5 | | 4t-5=2t+9 | | 21x=3000+500x | | -24-2b=3(3+3b) | | (16x-1)+(-5+15x)=180 | | -16x+40=4x+50 | | 0.6(25k−7.5k)+9.5=20.0 | | -8+5n=8n-8(1-2n) | | 83749873x+9873598465=0982629834757 | | Y=5x-7x | | (x-6)^2=36 | | 5n+34=-2(1-7n( | | 42=4x+3x-14-7 | | 38=2a-54 | | -77+5x+4x=121 | | 3x+3.5=9.5 | | -4x-4x=16 | | 12x-(24+10x)-11=50+3(14-x) | | .25x+1=8 | | -89+5x+x=85 | | -8=6v+4+6 | | 2/3x-9=14 |