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Simplifying 8y + 13 = 7y + 12 Reorder the terms: 13 + 8y = 7y + 12 Reorder the terms: 13 + 8y = 12 + 7y Solving 13 + 8y = 12 + 7y Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-7y' to each side of the equation. 13 + 8y + -7y = 12 + 7y + -7y Combine like terms: 8y + -7y = 1y 13 + 1y = 12 + 7y + -7y Combine like terms: 7y + -7y = 0 13 + 1y = 12 + 0 13 + 1y = 12 Add '-13' to each side of the equation. 13 + -13 + 1y = 12 + -13 Combine like terms: 13 + -13 = 0 0 + 1y = 12 + -13 1y = 12 + -13 Combine like terms: 12 + -13 = -1 1y = -1 Divide each side by '1'. y = -1 Simplifying y = -1
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