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Simplifying 2(-3 + -1n) + -3 = -2(2n + 7) + 1 (-3 * 2 + -1n * 2) + -3 = -2(2n + 7) + 1 (-6 + -2n) + -3 = -2(2n + 7) + 1 Reorder the terms: -6 + -3 + -2n = -2(2n + 7) + 1 Combine like terms: -6 + -3 = -9 -9 + -2n = -2(2n + 7) + 1 Reorder the terms: -9 + -2n = -2(7 + 2n) + 1 -9 + -2n = (7 * -2 + 2n * -2) + 1 -9 + -2n = (-14 + -4n) + 1 Reorder the terms: -9 + -2n = -14 + 1 + -4n Combine like terms: -14 + 1 = -13 -9 + -2n = -13 + -4n Solving -9 + -2n = -13 + -4n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '4n' to each side of the equation. -9 + -2n + 4n = -13 + -4n + 4n Combine like terms: -2n + 4n = 2n -9 + 2n = -13 + -4n + 4n Combine like terms: -4n + 4n = 0 -9 + 2n = -13 + 0 -9 + 2n = -13 Add '9' to each side of the equation. -9 + 9 + 2n = -13 + 9 Combine like terms: -9 + 9 = 0 0 + 2n = -13 + 9 2n = -13 + 9 Combine like terms: -13 + 9 = -4 2n = -4 Divide each side by '2'. n = -2 Simplifying n = -2
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