-3w+9=-4w+7

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Solution for -3w+9=-4w+7 equation: 



-3w+9=-4w+7

We move all terms to the left:

-3w+9-(-4w+7)=0

We get rid of parentheses

-3w+4w-7+9=0

We add all the numbers together, and all the variables

w+2=0

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

w=-2

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