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Simplifying 5(n + -4) = 2n + -20 + 3n Reorder the terms: 5(-4 + n) = 2n + -20 + 3n (-4 * 5 + n * 5) = 2n + -20 + 3n (-20 + 5n) = 2n + -20 + 3n Reorder the terms: -20 + 5n = -20 + 2n + 3n Combine like terms: 2n + 3n = 5n -20 + 5n = -20 + 5n Add '20' to each side of the equation. -20 + 20 + 5n = -20 + 20 + 5n Combine like terms: -20 + 20 = 0 0 + 5n = -20 + 20 + 5n 5n = -20 + 20 + 5n Combine like terms: -20 + 20 = 0 5n = 0 + 5n 5n = 5n Add '-5n' to each side of the equation. 5n + -5n = 5n + -5n Combine like terms: 5n + -5n = 0 0 = 5n + -5n Combine like terms: 5n + -5n = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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