12-7=12-w

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Solution for 12-7=12-w equation: 



12-7=12-w

We move all terms to the left:

12-7-(12-w)=0

We add all the numbers together, and all the variables

-(-1w+12)+12-7=0

We add all the numbers together, and all the variables

-(-1w+12)+5=0

We get rid of parentheses

1w-12+5=0

We add all the numbers together, and all the variables

w-7=0

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

w=7

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