7w-1=5w-15

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Solution for 7w-1=5w-15 equation: 



7w-1=5w-15

We move all terms to the left:

7w-1-(5w-15)=0

We get rid of parentheses

7w-5w+15-1=0

We add all the numbers together, and all the variables

2w+14=0

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

2w=-14

w=-14/2

w=-7

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