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Simplifying 5x2 + 16y2 = 80 Solving 5x2 + 16y2 = 80 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. 5x2 + 16y2 + -16y2 = 80 + -16y2 Combine like terms: 16y2 + -16y2 = 0 5x2 + 0 = 80 + -16y2 5x2 = 80 + -16y2 Divide each side by '5'. x2 = 16 + -3.2y2 Simplifying x2 = 16 + -3.2y2 Reorder the terms: -16 + x2 + 3.2y2 = 16 + -3.2y2 + -16 + 3.2y2 Reorder the terms: -16 + x2 + 3.2y2 = 16 + -16 + -3.2y2 + 3.2y2 Combine like terms: 16 + -16 = 0 -16 + x2 + 3.2y2 = 0 + -3.2y2 + 3.2y2 -16 + x2 + 3.2y2 = -3.2y2 + 3.2y2 Combine like terms: -3.2y2 + 3.2y2 = 0.0 -16 + x2 + 3.2y2 = 0.0 The solution to this equation could not be determined.
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