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Simplifying -4(2n + -5) = -8n + -20 Reorder the terms: -4(-5 + 2n) = -8n + -20 (-5 * -4 + 2n * -4) = -8n + -20 (20 + -8n) = -8n + -20 Reorder the terms: 20 + -8n = -20 + -8n Add '8n' to each side of the equation. 20 + -8n + 8n = -20 + -8n + 8n Combine like terms: -8n + 8n = 0 20 + 0 = -20 + -8n + 8n 20 = -20 + -8n + 8n Combine like terms: -8n + 8n = 0 20 = -20 + 0 20 = -20 Solving 20 = -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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