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Simplifying 12.9 = -4.3y Solving 12.9 = -4.3y Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '4.3y' to each side of the equation. 12.9 + 4.3y = -4.3y + 4.3y Combine like terms: -4.3y + 4.3y = 0.0 12.9 + 4.3y = 0.0 Add '-12.9' to each side of the equation. 12.9 + -12.9 + 4.3y = 0.0 + -12.9 Combine like terms: 12.9 + -12.9 = 0.0 0.0 + 4.3y = 0.0 + -12.9 4.3y = 0.0 + -12.9 Combine like terms: 0.0 + -12.9 = -12.9 4.3y = -12.9 Divide each side by '4.3'. y = -3 Simplifying y = -3
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