W(9)=-7w(-7)=9

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Solution for W(9)=-7w(-7)=9 equation:



(9)=-7W(-7)=9
We move all terms to the left:
(9)-(-7W(-7))=0
We calculate terms in parentheses: -(-7W(-7)), so:
-7W(-7)
We multiply parentheses
49W
Back to the equation:
-(49W)
We move all terms containing W to the left, all other terms to the right
-49W=-9
W=-9/-49
W=9/49

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