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Simplifying 2(n + -1) + 4n = 2(3n + -1) Reorder the terms: 2(-1 + n) + 4n = 2(3n + -1) (-1 * 2 + n * 2) + 4n = 2(3n + -1) (-2 + 2n) + 4n = 2(3n + -1) Combine like terms: 2n + 4n = 6n -2 + 6n = 2(3n + -1) Reorder the terms: -2 + 6n = 2(-1 + 3n) -2 + 6n = (-1 * 2 + 3n * 2) -2 + 6n = (-2 + 6n) Add '2' to each side of the equation. -2 + 2 + 6n = -2 + 2 + 6n Combine like terms: -2 + 2 = 0 0 + 6n = -2 + 2 + 6n 6n = -2 + 2 + 6n Combine like terms: -2 + 2 = 0 6n = 0 + 6n 6n = 6n Add '-6n' to each side of the equation. 6n + -6n = 6n + -6n Combine like terms: 6n + -6n = 0 0 = 6n + -6n Combine like terms: 6n + -6n = 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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