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Simplifying 7y + 3 = y + 18 Reorder the terms: 3 + 7y = y + 18 Reorder the terms: 3 + 7y = 18 + y Solving 3 + 7y = 18 + y Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1y' to each side of the equation. 3 + 7y + -1y = 18 + y + -1y Combine like terms: 7y + -1y = 6y 3 + 6y = 18 + y + -1y Combine like terms: y + -1y = 0 3 + 6y = 18 + 0 3 + 6y = 18 Add '-3' to each side of the equation. 3 + -3 + 6y = 18 + -3 Combine like terms: 3 + -3 = 0 0 + 6y = 18 + -3 6y = 18 + -3 Combine like terms: 18 + -3 = 15 6y = 15 Divide each side by '6'. y = 2.5 Simplifying y = 2.5
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