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8=-12+k/4
We simplify the equation to the form, which is simple to understand
8=-12+k/4
Simplifying:
8=-12 + 0.25k
We move all terms containing k to the left and all other terms to the right.
-0.25k=-12-8
We simplify left and right side of the equation.
-0.25k=-20
We divide both sides of the equation by -00.25 to get k.
k=80
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