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Simplifying 2k + -1(k + 4) = 1(k + 2) Reorder the terms: 2k + -1(4 + k) = 1(k + 2) 2k + (4 * -1 + k * -1) = 1(k + 2) 2k + (-4 + -1k) = 1(k + 2) Reorder the terms: -4 + 2k + -1k = 1(k + 2) Combine like terms: 2k + -1k = 1k -4 + 1k = 1(k + 2) Reorder the terms: -4 + 1k = 1(2 + k) -4 + 1k = (2 * 1 + k * 1) -4 + 1k = (2 + 1k) Add '-1k' to each side of the equation. -4 + 1k + -1k = 2 + 1k + -1k Combine like terms: 1k + -1k = 0 -4 + 0 = 2 + 1k + -1k -4 = 2 + 1k + -1k Combine like terms: 1k + -1k = 0 -4 = 2 + 0 -4 = 2 Solving -4 = 2 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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