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4(k+7)=-28
We simplify the equation to the form, which is simple to understand
4(k+7)=-28
Reorder the terms in parentheses
+(+4k+28)=-28
Remove unnecessary parentheses
+4k+28=-28
We move all terms containing k to the left and all other terms to the right.
+4k=-28-28
We simplify left and right side of the equation.
+4k=-56
We divide both sides of the equation by 4 to get k.
k=-14
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