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-7k+15=-3+7k
We simplify the equation to the form, which is simple to understand
-7k+15=-3+7k
We move all terms containing k to the left and all other terms to the right.
-7k-7k=-3-15
We simplify left and right side of the equation.
-14k=-18
We divide both sides of the equation by -14 to get k.
k=1.2857142857143
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