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Simplifying -7k + 7(-7k + 2) = 7(-8k + -3) Reorder the terms: -7k + 7(2 + -7k) = 7(-8k + -3) -7k + (2 * 7 + -7k * 7) = 7(-8k + -3) -7k + (14 + -49k) = 7(-8k + -3) Reorder the terms: 14 + -7k + -49k = 7(-8k + -3) Combine like terms: -7k + -49k = -56k 14 + -56k = 7(-8k + -3) Reorder the terms: 14 + -56k = 7(-3 + -8k) 14 + -56k = (-3 * 7 + -8k * 7) 14 + -56k = (-21 + -56k) Add '56k' to each side of the equation. 14 + -56k + 56k = -21 + -56k + 56k Combine like terms: -56k + 56k = 0 14 + 0 = -21 + -56k + 56k 14 = -21 + -56k + 56k Combine like terms: -56k + 56k = 0 14 = -21 + 0 14 = -21 Solving 14 = -21 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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