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Simplifying (2x2 + 5) * 9 = 12 Reorder the terms: (5 + 2x2) * 9 = 12 Reorder the terms for easier multiplication: 9(5 + 2x2) = 12 (5 * 9 + 2x2 * 9) = 12 (45 + 18x2) = 12 Solving 45 + 18x2 = 12 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-45' to each side of the equation. 45 + -45 + 18x2 = 12 + -45 Combine like terms: 45 + -45 = 0 0 + 18x2 = 12 + -45 18x2 = 12 + -45 Combine like terms: 12 + -45 = -33 18x2 = -33 Divide each side by '18'. x2 = -1.833333333 Simplifying x2 = -1.833333333 Reorder the terms: 1.833333333 + x2 = -1.833333333 + 1.833333333 Combine like terms: -1.833333333 + 1.833333333 = 0.000000000 1.833333333 + x2 = 0.000000000 The solution to this equation could not be determined.
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