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Simplifying x2 + 7y2 = 49 Solving x2 + 7y2 = 49 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7y2' to each side of the equation. x2 + 7y2 + -7y2 = 49 + -7y2 Combine like terms: 7y2 + -7y2 = 0 x2 + 0 = 49 + -7y2 x2 = 49 + -7y2 Simplifying x2 = 49 + -7y2 Reorder the terms: -49 + x2 + 7y2 = 49 + -7y2 + -49 + 7y2 Reorder the terms: -49 + x2 + 7y2 = 49 + -49 + -7y2 + 7y2 Combine like terms: 49 + -49 = 0 -49 + x2 + 7y2 = 0 + -7y2 + 7y2 -49 + x2 + 7y2 = -7y2 + 7y2 Combine like terms: -7y2 + 7y2 = 0 -49 + x2 + 7y2 = 0 The solution to this equation could not be determined.
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