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Simplifying 7 * 9x + -3.9 = 27.7 Multiply 7 * 9 63x + -3.9 = 27.7 Reorder the terms: -3.9 + 63x = 27.7 Solving -3.9 + 63x = 27.7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.9' to each side of the equation. -3.9 + 3.9 + 63x = 27.7 + 3.9 Combine like terms: -3.9 + 3.9 = 0.0 0.0 + 63x = 27.7 + 3.9 63x = 27.7 + 3.9 Combine like terms: 27.7 + 3.9 = 31.6 63x = 31.6 Divide each side by '63'. x = 0.5015873016 Simplifying x = 0.5015873016
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