7=2.5+w

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Solution for 7=2.5+w equation: 



7=2.5+w

We move all terms to the left:

7-(2.5+w)=0

We add all the numbers together, and all the variables

-(w+2.5)+7=0

We get rid of parentheses

-w-2.5+7=0

We add all the numbers together, and all the variables

-1w+4.5=0

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

-w=-4.5

w=-4.5/-1

w=4+0.5/1

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