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

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Solution for (-4)w+9=(-7)w equation: 



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

We move all terms to the left:

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

We multiply parentheses

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



We calculate terms in parentheses: -((-7)w), so:

(-7)w

We multiply parentheses

-7w

Back to the equation:

-(-7w)



We get rid of parentheses

-4w+7w+9=0

We add all the numbers together, and all the variables

3w+9=0

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

3w=-9

w=-9/3

w=-3

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