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Simplifying -2(n + 2) + -3 = -15 Reorder the terms: -2(2 + n) + -3 = -15 (2 * -2 + n * -2) + -3 = -15 (-4 + -2n) + -3 = -15 Reorder the terms: -4 + -3 + -2n = -15 Combine like terms: -4 + -3 = -7 -7 + -2n = -15 Solving -7 + -2n = -15 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -2n = -15 + 7 Combine like terms: -7 + 7 = 0 0 + -2n = -15 + 7 -2n = -15 + 7 Combine like terms: -15 + 7 = -8 -2n = -8 Divide each side by '-2'. n = 4 Simplifying n = 4
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