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Simplifying 12x2 + -45y2 = 81 Solving 12x2 + -45y2 = 81 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '45y2' to each side of the equation. 12x2 + -45y2 + 45y2 = 81 + 45y2 Combine like terms: -45y2 + 45y2 = 0 12x2 + 0 = 81 + 45y2 12x2 = 81 + 45y2 Divide each side by '12'. x2 = 6.75 + 3.75y2 Simplifying x2 = 6.75 + 3.75y2 Reorder the terms: -6.75 + x2 + -3.75y2 = 6.75 + 3.75y2 + -6.75 + -3.75y2 Reorder the terms: -6.75 + x2 + -3.75y2 = 6.75 + -6.75 + 3.75y2 + -3.75y2 Combine like terms: 6.75 + -6.75 = 0.00 -6.75 + x2 + -3.75y2 = 0.00 + 3.75y2 + -3.75y2 -6.75 + x2 + -3.75y2 = 3.75y2 + -3.75y2 Combine like terms: 3.75y2 + -3.75y2 = 0.00 -6.75 + x2 + -3.75y2 = 0.00 The solution to this equation could not be determined.
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