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Simplifying k + 9 = (k + -11) Reorder the terms: 9 + k = (k + -11) Reorder the terms: 9 + k = (-11 + k) Remove parenthesis around (-11 + k) 9 + k = -11 + k Add '-1k' to each side of the equation. 9 + k + -1k = -11 + k + -1k Combine like terms: k + -1k = 0 9 + 0 = -11 + k + -1k 9 = -11 + k + -1k Combine like terms: k + -1k = 0 9 = -11 + 0 9 = -11 Solving 9 = -11 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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