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Simplifying y + (y + 140) = 620 Reorder the terms: y + (140 + y) = 620 Remove parenthesis around (140 + y) y + 140 + y = 620 Reorder the terms: 140 + y + y = 620 Combine like terms: y + y = 2y 140 + 2y = 620 Solving 140 + 2y = 620 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-140' to each side of the equation. 140 + -140 + 2y = 620 + -140 Combine like terms: 140 + -140 = 0 0 + 2y = 620 + -140 2y = 620 + -140 Combine like terms: 620 + -140 = 480 2y = 480 Divide each side by '2'. y = 240 Simplifying y = 240
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