21=3w-3-(4-w)

Simple and best practice solution for 21=3w-3-(4-w) 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=3w-3-(4-w) equation: 



21=3w-3-(4-w)

We move all terms to the left:

21-(3w-3-(4-w))=0

We add all the numbers together, and all the variables

-(3w-3-(-1w+4))+21=0



We calculate terms in parentheses: -(3w-3-(-1w+4)), so:

3w-3-(-1w+4)

determiningTheFunctionDomain
3w-(-1w+4)-3

We get rid of parentheses

3w+1w-4-3

We add all the numbers together, and all the variables

4w-7

Back to the equation:

-(4w-7)



We get rid of parentheses

-4w+7+21=0

We add all the numbers together, and all the variables

-4w+28=0

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

-4w=-28

w=-28/-4

w=+7

See similar equations:

| 2x-5=0,5x+1 | | 0,5x+3=-x+9 | | 6x+-30=6 | | -y+25-2y=-17 | | 2x+31=2x31 | | 3w×3=9w | | 6x-x+30-30=x-x+6+30 | | 3x+18+93=100 | | -5b-15+2b=30 | | 6x-x+5-5=x-x+10+5 | | 16x-8+2x=8 | | -5(-2x+7)=52 | | 2w-2(5w-4)=33-2w | | X^2x=1.96 | | 15-3y=5y-3-2y | | -1+2x=-21 | | 3b-10+2b=10 | | 2(4)+(1/3)-7=x | | 0,89+48x=56x-0,31+16x | | 40x-1,7-25x=x-4,5 | | 7x-2x-3=3x+x-5 | | 3n^2+3n-80=0 | | 6x-15=6x+25 | | 4.5x=(3x-2) | | 5.175=3.4+x/8 | | 17+2,5-13=1,8x+22-1,1 | | 2.5-5p=1.5(p-7) | | 3x-4+0,2x=15+1,2+21 | | 2y+15=3-2y | | 2(2k-1)=4(k-2)2(2k−1)=4(k−2) | | 5(x+1)4=4 | | 3x+8-3=2x+6 |

Equations solver categories