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Simplifying 9.9x + 7.7y + 7.1 = 0 Reorder the terms: 7.1 + 9.9x + 7.7y = 0 Solving 7.1 + 9.9x + 7.7y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7.1' to each side of the equation. 7.1 + 9.9x + -7.1 + 7.7y = 0 + -7.1 Reorder the terms: 7.1 + -7.1 + 9.9x + 7.7y = 0 + -7.1 Combine like terms: 7.1 + -7.1 = 0.0 0.0 + 9.9x + 7.7y = 0 + -7.1 9.9x + 7.7y = 0 + -7.1 Combine like terms: 0 + -7.1 = -7.1 9.9x + 7.7y = -7.1 Add '-7.7y' to each side of the equation. 9.9x + 7.7y + -7.7y = -7.1 + -7.7y Combine like terms: 7.7y + -7.7y = 0.0 9.9x + 0.0 = -7.1 + -7.7y 9.9x = -7.1 + -7.7y Divide each side by '9.9'. x = -0.7171717172 + -0.7777777778y Simplifying x = -0.7171717172 + -0.7777777778y
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