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Simplifying 20y + -16 = 18y + -9 Reorder the terms: -16 + 20y = 18y + -9 Reorder the terms: -16 + 20y = -9 + 18y Solving -16 + 20y = -9 + 18y Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-18y' to each side of the equation. -16 + 20y + -18y = -9 + 18y + -18y Combine like terms: 20y + -18y = 2y -16 + 2y = -9 + 18y + -18y Combine like terms: 18y + -18y = 0 -16 + 2y = -9 + 0 -16 + 2y = -9 Add '16' to each side of the equation. -16 + 16 + 2y = -9 + 16 Combine like terms: -16 + 16 = 0 0 + 2y = -9 + 16 2y = -9 + 16 Combine like terms: -9 + 16 = 7 2y = 7 Divide each side by '2'. y = 3.5 Simplifying y = 3.5

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