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Simplifying 2x2 + -4y2 = -8 Solving 2x2 + -4y2 = -8 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4y2' to each side of the equation. 2x2 + -4y2 + 4y2 = -8 + 4y2 Combine like terms: -4y2 + 4y2 = 0 2x2 + 0 = -8 + 4y2 2x2 = -8 + 4y2 Divide each side by '2'. x2 = -4 + 2y2 Simplifying x2 = -4 + 2y2 Reorder the terms: 4 + x2 + -2y2 = -4 + 2y2 + 4 + -2y2 Reorder the terms: 4 + x2 + -2y2 = -4 + 4 + 2y2 + -2y2 Combine like terms: -4 + 4 = 0 4 + x2 + -2y2 = 0 + 2y2 + -2y2 4 + x2 + -2y2 = 2y2 + -2y2 Combine like terms: 2y2 + -2y2 = 0 4 + x2 + -2y2 = 0 The solution to this equation could not be determined.
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