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Simplifying 3.9E + -12 = 0 Reorder the terms: -12 + 3.9E = 0 Solving -12 + 3.9E = 0 Solving for variable 'E'. Move all terms containing E to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + 3.9E = 0 + 12 Combine like terms: -12 + 12 = 0 0 + 3.9E = 0 + 12 3.9E = 0 + 12 Combine like terms: 0 + 12 = 12 3.9E = 12 Divide each side by '3.9'. E = 3.076923077 Simplifying E = 3.076923077
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