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28=k(2)(-7)
We simplify the equation to the form, which is simple to understand
28=k(2)*(-7)
Reorder the terms in parentheses
multiplication of parentheses
28=k*(-14)
Reorder the terms in parentheses
28=+(-14k)
Remove unnecessary parentheses
+28=-14k
We move all terms containing k to the left and all other terms to the right.
+14k=-28
We simplify left and right side of the equation.
+14k=-28
We divide both sides of the equation by 014 to get k.
k=-2
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