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-30-8k=-6(k+7)
We simplify the equation to the form, which is simple to understand
-30-8k=-6(k+7)
Reorder the terms in parentheses
-30-8k=+(-6k-42)
Remove unnecessary parentheses
-30-8k=-6k-42
We move all terms containing k to the left and all other terms to the right.
-8k+6k=-42+30
We simplify left and right side of the equation.
-2k=-12
We divide both sides of the equation by -2 to get k.
k=6
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