3w+6+12w=7w-3(w+20)

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Solution for 3w+6+12w=7w-3(w+20) equation: 



3w+6+12w=7w-3(w+20)

We move all terms to the left:

3w+6+12w-(7w-3(w+20))=0

We add all the numbers together, and all the variables

15w-(7w-3(w+20))+6=0



We calculate terms in parentheses: -(7w-3(w+20)), so:

7w-3(w+20)

We multiply parentheses

7w-3w-60

We add all the numbers together, and all the variables

4w-60

Back to the equation:

-(4w-60)



We get rid of parentheses

15w-4w+60+6=0

We add all the numbers together, and all the variables

11w+66=0

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

11w=-66

w=-66/11

w=-6

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