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-3k+15=19-3k-31
We simplify the equation to the form, which is simple to understand
-3k+15=19-3k-31
We move all terms containing k to the left and all other terms to the right.
-3k+3k=+19-31-15
We simplify left and right side of the equation.
k=-27
0=-27
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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