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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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



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

(-3w-5)+21

We get rid of parentheses

-3w-5+21

We add all the numbers together, and all the variables

-3w+16

Back to the equation:

-(-3w+16)



We add all the numbers together, and all the variables

-6w-(-3w+16)+30=0

We get rid of parentheses

-6w+3w-16+30=0

We add all the numbers together, and all the variables

-3w+14=0

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

-3w=-14

w=-14/-3

w=4+2/3

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