1-(-2w)=-7

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



1-(-2w)=-7

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-2w)+8=0

We get rid of parentheses

2w+8=0

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

2w=-8

w=-8/2

w=-4

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