54=-2(21-b)+4(b-3)

Simple and best practice solution for 54=-2(21-b)+4(b-3) 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 54=-2(21-b)+4(b-3) equation: 



54=-2(21-b)+4(b-3)

We move all terms to the left:

54-(-2(21-b)+4(b-3))=0

We add all the numbers together, and all the variables

-(-2(-1b+21)+4(b-3))+54=0



We calculate terms in parentheses: -(-2(-1b+21)+4(b-3)), so:

-2(-1b+21)+4(b-3)

We multiply parentheses

2b+4b-42-12

We add all the numbers together, and all the variables

6b-54

Back to the equation:

-(6b-54)



We get rid of parentheses

-6b+54+54=0

We add all the numbers together, and all the variables

-6b+108=0

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

-6b=-108

b=-108/-6

b=+18

See similar equations:

| 10x–8=22 | | (x+9)-5=15 | | 3(2x+2)+x+46=66 | | 7(y+1)(y)=72 | | -2(u-95)=30 | | 3x-5x+1=180 | | 3a+(1/3)(6a-9)=(1/2)(10a-6) | | 3(-2n+9)=-5 | | 2.5x-11=1.5+1 | | 3x/4=7*x/6 | | 2(y+18)=80 | | 87=7x | | k+6=9+5 | | 1.02^x=1.082 | | 3(x-2)-x=2(x-3) | | 2n-36=62 | | 7(2x+1)-6(-1+x)=-5(3+2x)+2(2x+7) | | 12x-80=5x | | -10x-5=-65 | | 8x–4–x–4x=–3x+14 | | -(2x+1)=5x–15 | | 4(s+4)=52 | | 25=2(3x-2) | | 8/9y=2y+5/6 | | |x+6|=4x | | .10g+8=14g | | 14-x=237 | | -4+-2p+5=6p+1 | | -6x-75=89-10x | | 5(x-20)-2x=2 | | 2x-13=3. | | -7/8+5x=44+1/8 |

Equations solver categories