If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-8b=13
We move all terms to the left:
-8b-(13)=0
We move all terms containing b to the left, all other terms to the right
-8b=13
b=13/-8
b=-1+5/8
| 3n^2=13n+30 | | 2*1=p | | -(8v+5)=-4(1+3v | | 7(-2x+1)=119 | | -104=-6x+7(x-14) | | 3x-8=x+29 | | 5k^2-20=-21k | | 5x-2x-x+2x=4 | | 4x-5(x+12)=-70 | | 3x=60−(5x+20) | | 3r-r=18 | | -187=2x+3(6x-9) | | 2x-6=6x+38 | | 6x+10=22+2x | | x+0.10x=40000 | | 6x+4(3x+3)=120 | | 2(2x+1)=2x+8,x | | 6-6x+x=-14 | | 9d-8d=17 | | 5^x-1.2=0 | | Y=14x3+28 | | -8x-36+3x=6-4x+12 | | -4x+2(-4x-10)=-8 | | 4x+3=3x+9,x | | 21=-6x+3 | | 3x=x+4,x | | 7x+4(x-15)=-181 | | 64=-4x-2x-2 | | 12z-9z=18 | | -1=n+2/3-4/3n | | 5(3n+4n+3)=-125 | | 20n-19n=7 |