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9.-08k-31=8.3
We simplify the equation to the form, which is simple to understand
9.-08k-31=8.3
We move all terms containing k to the left and all other terms to the right.
-9k=+8.3+31
We simplify left and right side of the equation.
+9k=+39.3
We divide both sides of the equation by 9 to get k.
k=4.36666666667
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