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Simplifying 7y + 12 = 9y Reorder the terms: 12 + 7y = 9y Solving 12 + 7y = 9y Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-9y' to each side of the equation. 12 + 7y + -9y = 9y + -9y Combine like terms: 7y + -9y = -2y 12 + -2y = 9y + -9y Combine like terms: 9y + -9y = 0 12 + -2y = 0 Add '-12' to each side of the equation. 12 + -12 + -2y = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -2y = 0 + -12 -2y = 0 + -12 Combine like terms: 0 + -12 = -12 -2y = -12 Divide each side by '-2'. y = 6 Simplifying y = 6
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