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Simplifying (k + 8) + -1(k + -4) = 0 Reorder the terms: (8 + k) + -1(k + -4) = 0 Remove parenthesis around (8 + k) 8 + k + -1(k + -4) = 0 Reorder the terms: 8 + k + -1(-4 + k) = 0 8 + k + (-4 * -1 + k * -1) = 0 8 + k + (4 + -1k) = 0 Reorder the terms: 8 + 4 + k + -1k = 0 Combine like terms: 8 + 4 = 12 12 + k + -1k = 0 Combine like terms: k + -1k = 0 12 + 0 = 0 12 = 0 Solving 12 = 0 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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