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Simplifying -4x2 + -9 = 9 Reorder the terms: -9 + -4x2 = 9 Solving -9 + -4x2 = 9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -4x2 = 9 + 9 Combine like terms: -9 + 9 = 0 0 + -4x2 = 9 + 9 -4x2 = 9 + 9 Combine like terms: 9 + 9 = 18 -4x2 = 18 Divide each side by '-4'. x2 = -4.5 Simplifying x2 = -4.5 Reorder the terms: 4.5 + x2 = -4.5 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 4.5 + x2 = 0.0 The solution to this equation could not be determined.
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