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Simplifying -4n + 15 = -4(n + 5) Reorder the terms: 15 + -4n = -4(n + 5) Reorder the terms: 15 + -4n = -4(5 + n) 15 + -4n = (5 * -4 + n * -4) 15 + -4n = (-20 + -4n) Add '4n' to each side of the equation. 15 + -4n + 4n = -20 + -4n + 4n Combine like terms: -4n + 4n = 0 15 + 0 = -20 + -4n + 4n 15 = -20 + -4n + 4n Combine like terms: -4n + 4n = 0 15 = -20 + 0 15 = -20 Solving 15 = -20 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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