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12-k/21=-23
We simplify the equation to the form, which is simple to understand
12-k/21=-23
Simplifying:
12-0.047619047619k=-23
We move all terms containing k to the left and all other terms to the right.
-0.047619047619k=-23-12
We simplify left and right side of the equation.
-0.047619047619k=-35
We divide both sides of the equation by -0.047619047619 to get k.
k=735
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