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Simplifying 18x2 + -16y2 = -7 Solving 18x2 + -16y2 = -7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '16y2' to each side of the equation. 18x2 + -16y2 + 16y2 = -7 + 16y2 Combine like terms: -16y2 + 16y2 = 0 18x2 + 0 = -7 + 16y2 18x2 = -7 + 16y2 Divide each side by '18'. x2 = -0.3888888889 + 0.8888888889y2 Simplifying x2 = -0.3888888889 + 0.8888888889y2 Reorder the terms: 0.3888888889 + x2 + -0.8888888889y2 = -0.3888888889 + 0.8888888889y2 + 0.3888888889 + -0.8888888889y2 Reorder the terms: 0.3888888889 + x2 + -0.8888888889y2 = -0.3888888889 + 0.3888888889 + 0.8888888889y2 + -0.8888888889y2 Combine like terms: -0.3888888889 + 0.3888888889 = 0.0000000000 0.3888888889 + x2 + -0.8888888889y2 = 0.0000000000 + 0.8888888889y2 + -0.8888888889y2 0.3888888889 + x2 + -0.8888888889y2 = 0.8888888889y2 + -0.8888888889y2 Combine like terms: 0.8888888889y2 + -0.8888888889y2 = 0.0000000000 0.3888888889 + x2 + -0.8888888889y2 = 0.0000000000 The solution to this equation could not be determined.
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