3-7w=7-9w

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Solution for 3-7w=7-9w equation: 



3-7w=7-9w

We move all terms to the left:

3-7w-(7-9w)=0

We add all the numbers together, and all the variables

-7w-(-9w+7)+3=0

We get rid of parentheses

-7w+9w-7+3=0

We add all the numbers together, and all the variables

2w-4=0

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

2w=4

w=4/2

w=2

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