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Simplifying 39 = 12 + 2y Solving 39 = 12 + 2y Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-2y' to each side of the equation. 39 + -2y = 12 + 2y + -2y Combine like terms: 2y + -2y = 0 39 + -2y = 12 + 0 39 + -2y = 12 Add '-39' to each side of the equation. 39 + -39 + -2y = 12 + -39 Combine like terms: 39 + -39 = 0 0 + -2y = 12 + -39 -2y = 12 + -39 Combine like terms: 12 + -39 = -27 -2y = -27 Divide each side by '-2'. y = 13.5 Simplifying y = 13.5
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