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Simplifying 7 + 3x + 9x2 + 9x3 + 4 + -3x + 9x2 + -9x3 = 0 Reorder the terms: 7 + 4 + 3x + -3x + 9x2 + 9x2 + 9x3 + -9x3 = 0 Combine like terms: 7 + 4 = 11 11 + 3x + -3x + 9x2 + 9x2 + 9x3 + -9x3 = 0 Combine like terms: 3x + -3x = 0 11 + 0 + 9x2 + 9x2 + 9x3 + -9x3 = 0 11 + 9x2 + 9x2 + 9x3 + -9x3 = 0 Combine like terms: 9x2 + 9x2 = 18x2 11 + 18x2 + 9x3 + -9x3 = 0 Combine like terms: 9x3 + -9x3 = 0 11 + 18x2 + 0 = 0 11 + 18x2 = 0 Solving 11 + 18x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + 18x2 = 0 + -11 Combine like terms: 11 + -11 = 0 0 + 18x2 = 0 + -11 18x2 = 0 + -11 Combine like terms: 0 + -11 = -11 18x2 = -11 Divide each side by '18'. x2 = -0.6111111111 Simplifying x2 = -0.6111111111 Reorder the terms: 0.6111111111 + x2 = -0.6111111111 + 0.6111111111 Combine like terms: -0.6111111111 + 0.6111111111 = 0.0000000000 0.6111111111 + x2 = 0.0000000000 The solution to this equation could not be determined.
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