30=k--9

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Solution for 30=k--9 equation:


30=k--9

We simplify the equation to the form, which is simple to understand 
30=k+9

We move all terms containing k to the left and all other terms to the right. 
-1k=+9-30

We simplify left and right side of the equation. 
-1k=-21

We divide both sides of the equation by -01 to get k. 
k=21

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