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Simplifying 13y2 + 13x2 = 143 Reorder the terms: 13x2 + 13y2 = 143 Solving 13x2 + 13y2 = 143 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13y2' to each side of the equation. 13x2 + 13y2 + -13y2 = 143 + -13y2 Combine like terms: 13y2 + -13y2 = 0 13x2 + 0 = 143 + -13y2 13x2 = 143 + -13y2 Divide each side by '13'. x2 = 11 + -1y2 Simplifying x2 = 11 + -1y2 Reorder the terms: -11 + x2 + y2 = 11 + -1y2 + -11 + y2 Reorder the terms: -11 + x2 + y2 = 11 + -11 + -1y2 + y2 Combine like terms: 11 + -11 = 0 -11 + x2 + y2 = 0 + -1y2 + y2 -11 + x2 + y2 = -1y2 + y2 Combine like terms: -1y2 + y2 = 0 -11 + x2 + y2 = 0 The solution to this equation could not be determined.
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