-81=3(-3+3b)

Simple and best practice solution for -81=3(-3+3b) 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 -81=3(-3+3b) equation: 



-81=3(-3+3b)

We move all terms to the left:

-81-(3(-3+3b))=0

We add all the numbers together, and all the variables

-(3(3b-3))-81=0



We calculate terms in parentheses: -(3(3b-3)), so:

3(3b-3)

We multiply parentheses

9b-9

Back to the equation:

-(9b-9)



We get rid of parentheses

-9b+9-81=0

We add all the numbers together, and all the variables

-9b-72=0

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

-9b=72

b=72/-9

b=-8

See similar equations:

| 7x—3=46 | | 0.54x+4=0.18+16 | | -460=-8(7p+1)-4 | | 2(7•2x)+1(6x+4x)÷2=38 | | 0.02(y-4)+0.16y=0.08y-0.6 | | 3a=12-3 | | 5w+6=8w-20 | | 7k-10=67 | | -100=5(2m-6) | | 4u-4=48 | | 1/3+5=3x/4 | | 5w-90=3w-50 | | 96/11=x/8 | | 5x-10=1/2(13x+7-60) | | -14+18x=19+7x | | 10x+30=20+8×+3x | | -8.75+14=5.25x-3.5 | | 132=3(5n+4) | | 2x-18=4x-48 | | -8(-7k+5)=-432 | | (3/4)m-(1/3)=3.7 | | -8y+7=84 | | 25r2=25 | | 4^(3n+5)=4096 | | -w/6=47 | | 6b2+25b+4=0 | | 1/3x=120-x | | 12x16=68 | | -4.7y=21.62 | | 3+5x-7x-4=49 | | -299+14x=17x-20 | | -5t+5=-16 |

Equations solver categories