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Simplifying 3E + 129 = 0 Reorder the terms: 129 + 3E = 0 Solving 129 + 3E = 0 Solving for variable 'E'. Move all terms containing E to the left, all other terms to the right. Add '-129' to each side of the equation. 129 + -129 + 3E = 0 + -129 Combine like terms: 129 + -129 = 0 0 + 3E = 0 + -129 3E = 0 + -129 Combine like terms: 0 + -129 = -129 3E = -129 Divide each side by '3'. E = -43 Simplifying E = -43
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