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Simplifying -7 + -2k = -2(k + 3) Reorder the terms: -7 + -2k = -2(3 + k) -7 + -2k = (3 * -2 + k * -2) -7 + -2k = (-6 + -2k) Add '2k' to each side of the equation. -7 + -2k + 2k = -6 + -2k + 2k Combine like terms: -2k + 2k = 0 -7 + 0 = -6 + -2k + 2k -7 = -6 + -2k + 2k Combine like terms: -2k + 2k = 0 -7 = -6 + 0 -7 = -6 Solving -7 = -6 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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