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Simplifying 5x2 + 18 = -9 Reorder the terms: 18 + 5x2 = -9 Solving 18 + 5x2 = -9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + 5x2 = -9 + -18 Combine like terms: 18 + -18 = 0 0 + 5x2 = -9 + -18 5x2 = -9 + -18 Combine like terms: -9 + -18 = -27 5x2 = -27 Divide each side by '5'. x2 = -5.4 Simplifying x2 = -5.4 Reorder the terms: 5.4 + x2 = -5.4 + 5.4 Combine like terms: -5.4 + 5.4 = 0.0 5.4 + x2 = 0.0 The solution to this equation could not be determined.
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