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-12+k/4=-1
We simplify the equation to the form, which is simple to understand
-12+k/4=-1
We move all terms containing k to the left and all other terms to the right.
+ 0.25k=-1+12
We simplify left and right side of the equation.
+ 0.25k=+11
We divide both sides of the equation by 0.25 to get k.
k=44
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