12-6(w-3)=4(-5-3w)+21

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Solution for 12-6(w-3)=4(-5-3w)+21 equation: 



12-6(w-3)=4(-5-3w)+21

We move all terms to the left:

12-6(w-3)-(4(-5-3w)+21)=0

We add all the numbers together, and all the variables

-6(w-3)-(4(-3w-5)+21)+12=0

We multiply parentheses

-6w-(4(-3w-5)+21)+18+12=0



We calculate terms in parentheses: -(4(-3w-5)+21), so:

4(-3w-5)+21

We multiply parentheses

-12w-20+21

We add all the numbers together, and all the variables

-12w+1

Back to the equation:

-(-12w+1)



We add all the numbers together, and all the variables

-6w-(-12w+1)+30=0

We get rid of parentheses

-6w+12w-1+30=0

We add all the numbers together, and all the variables

6w+29=0

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

6w=-29

w=-29/6

w=-4+5/6

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