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Simplifying 7x2 + 7y2 + -49 = 4 Reorder the terms: -49 + 7x2 + 7y2 = 4 Solving -49 + 7x2 + 7y2 = 4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '49' to each side of the equation. -49 + 7x2 + 49 + 7y2 = 4 + 49 Reorder the terms: -49 + 49 + 7x2 + 7y2 = 4 + 49 Combine like terms: -49 + 49 = 0 0 + 7x2 + 7y2 = 4 + 49 7x2 + 7y2 = 4 + 49 Combine like terms: 4 + 49 = 53 7x2 + 7y2 = 53 Add '-7y2' to each side of the equation. 7x2 + 7y2 + -7y2 = 53 + -7y2 Combine like terms: 7y2 + -7y2 = 0 7x2 + 0 = 53 + -7y2 7x2 = 53 + -7y2 Divide each side by '7'. x2 = 7.571428571 + -1y2 Simplifying x2 = 7.571428571 + -1y2 Reorder the terms: -7.571428571 + x2 + y2 = 7.571428571 + -1y2 + -7.571428571 + y2 Reorder the terms: -7.571428571 + x2 + y2 = 7.571428571 + -7.571428571 + -1y2 + y2 Combine like terms: 7.571428571 + -7.571428571 = 0.000000000 -7.571428571 + x2 + y2 = 0.000000000 + -1y2 + y2 -7.571428571 + x2 + y2 = -1y2 + y2 Combine like terms: -1y2 + y2 = 0 -7.571428571 + x2 + y2 = 0 The solution to this equation could not be determined.
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