21=-9+5(b+8)

Simple and best practice solution for 21=-9+5(b+8) 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 21=-9+5(b+8) equation: 



21=-9+5(b+8)

We move all terms to the left:

21-(-9+5(b+8))=0



We calculate terms in parentheses: -(-9+5(b+8)), so:

-9+5(b+8)

determiningTheFunctionDomain
5(b+8)-9

We multiply parentheses

5b+40-9

We add all the numbers together, and all the variables

5b+31

Back to the equation:

-(5b+31)



We get rid of parentheses

-5b-31+21=0

We add all the numbers together, and all the variables

-5b-10=0

We move all terms containing b to the left, all other terms to the right

-5b=10

b=10/-5

b=-2

See similar equations:

| -4(8d-3)=-24-2d | | 4a-6-4a=-9 | | 5r÷12+8=44 | | -q+4=q | | -8+(-x)=x+(-4) | | 4(8+7f)=-29 | | -8+(x)=x+(-4) | | 7x-7x=-3 | | -9v+8v=-24 | | (-4x-6)+(6x+1)=-13 | | 2x+12=10x-8 | | 93-45=2+x+35 | | 26=-2x-9x | | 1/3x3+4=Y | | 14+15=x+17 | | 48-12=46-x | | 2=17+3e | | 52-8=x-29 | | 9o+6=15. | | 45+16+17=x+36 | | x+3=71-44 | | 7=(15x-6) | | 66-27=x-37 | | 61-11=x+13 | | 6.4v=32 | | 56=7/4c | | 121-x=49+10+26 | | 10g+8=18. | | -20=-7×+w | | x-33=10+4+21 | | 0.22x=1.54 | | x+13+33=15+44 |

Equations solver categories