3(w+7)=-7(2w-1)+7w

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Solution for 3(w+7)=-7(2w-1)+7w equation: 



3(w+7)=-7(2w-1)+7w

We move all terms to the left:

3(w+7)-(-7(2w-1)+7w)=0

We multiply parentheses

3w-(-7(2w-1)+7w)+21=0



We calculate terms in parentheses: -(-7(2w-1)+7w), so:

-7(2w-1)+7w

We add all the numbers together, and all the variables

7w-7(2w-1)

We multiply parentheses

7w-14w+7

We add all the numbers together, and all the variables

-7w+7

Back to the equation:

-(-7w+7)



We get rid of parentheses

3w+7w-7+21=0

We add all the numbers together, and all the variables

10w+14=0

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

10w=-14

w=-14/10

w=-1+2/5

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