9=21/b

Simple and best practice solution for 9=21/b equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 9=21/b equation: 


D( b )

b = 0

b = 0

b = 0

b in (-oo:0) U (0:+oo)

9 = 21/b // - 21/b

9-(21/b) = 0

9-21*b^-1 = 0

-21*b^-1 = -9 // : -21

b^-1 = 3/7

-1 < 0

1/(b^1) = 3/7 // * b^1

1 = 3/7*b^1 // : 3/7

7/3 = b^1

b = 7/3

b = 7/3

See similar equations:

| 3m(m-5)-(2m*2m-m)= | | 9=b/5 | | 9=r/10 | | 3m(m-5)= | | -66=11p | | 12v=-144 | | 3x+x=656 | | u-16u^2-3=0 | | k/15=-1/15 | | 8x+x=656 | | 8+x/-4 | | 8x-1=-57 | | H+6+7h=42 | | 625000x+37000x=0 | | 625000x-37000x=0 | | 40x-40=x+2 | | 60-8*3-4*3= | | -4r=16 | | -12b=0 | | 52(4.1-t)+54t=217 | | b/6=-1/6 | | -3x+[5-2(x+1)]= | | 6=8(s-3/4)+20 | | 7.4^2-42/7 | | 60=-15x | | 4-3[9-(3y-2)]= | | a+(a/2) | | -48=8n | | 409x=2900 | | -7b=42 | | 8=n/15 | | 384x=1800 |

Equations solver categories