w-7=-w

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Solution for w-7=-w equation: 



w-7=-w

We move all terms to the left:

w-7-(-w)=0

We add all the numbers together, and all the variables

w-(-1w)-7=0

We get rid of parentheses

w+1w-7=0

We add all the numbers together, and all the variables

2w-7=0

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

2w=7

w=7/2

w=3+1/2

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