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Simplifying 140 = 2(9w) + 2w Remove parenthesis around (9w) 140 = 2 * 9w + 2w Multiply 2 * 9 140 = 18w + 2w Combine like terms: 18w + 2w = 20w 140 = 20w Solving 140 = 20w Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-20w' to each side of the equation. 140 + -20w = 20w + -20w Combine like terms: 20w + -20w = 0 140 + -20w = 0 Add '-140' to each side of the equation. 140 + -140 + -20w = 0 + -140 Combine like terms: 140 + -140 = 0 0 + -20w = 0 + -140 -20w = 0 + -140 Combine like terms: 0 + -140 = -140 -20w = -140 Divide each side by '-20'. w = 7 Simplifying w = 7
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