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Simplifying -28 = -2(w + 7) Reorder the terms: -28 = -2(7 + w) -28 = (7 * -2 + w * -2) -28 = (-14 + -2w) Solving -28 = -14 + -2w Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '2w' to each side of the equation. -28 + 2w = -14 + -2w + 2w Combine like terms: -2w + 2w = 0 -28 + 2w = -14 + 0 -28 + 2w = -14 Add '28' to each side of the equation. -28 + 28 + 2w = -14 + 28 Combine like terms: -28 + 28 = 0 0 + 2w = -14 + 28 2w = -14 + 28 Combine like terms: -14 + 28 = 14 2w = 14 Divide each side by '2'. w = 7 Simplifying w = 7
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