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-1/4k=-2,5
We simplify the equation to the form, which is simple to understand
-1/4k=-2,5
We move all terms containing k to the left and all other terms to the right.
+4k=-2.5
We simplify left and right side of the equation.
+4k=-2.5
We divide both sides of the equation by 4 to get k.
k=-0.625
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