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Simplifying y2x2 + -4y2 + -1x2 + 7 = 0 Reorder the terms: 7 + -1x2 + x2y2 + -4y2 = 0 Solving 7 + -1x2 + x2y2 + -4y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -1x2 + x2y2 + -7 + -4y2 = 0 + -7 Reorder the terms: 7 + -7 + -1x2 + x2y2 + -4y2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x2 + x2y2 + -4y2 = 0 + -7 -1x2 + x2y2 + -4y2 = 0 + -7 Combine like terms: 0 + -7 = -7 -1x2 + x2y2 + -4y2 = -7 Add '4y2' to each side of the equation. -1x2 + x2y2 + -4y2 + 4y2 = -7 + 4y2 Combine like terms: -4y2 + 4y2 = 0 -1x2 + x2y2 + 0 = -7 + 4y2 -1x2 + x2y2 = -7 + 4y2 Reorder the terms: 7 + -1x2 + x2y2 + -4y2 = -7 + 4y2 + 7 + -4y2 Reorder the terms: 7 + -1x2 + x2y2 + -4y2 = -7 + 7 + 4y2 + -4y2 Combine like terms: -7 + 7 = 0 7 + -1x2 + x2y2 + -4y2 = 0 + 4y2 + -4y2 7 + -1x2 + x2y2 + -4y2 = 4y2 + -4y2 Combine like terms: 4y2 + -4y2 = 0 7 + -1x2 + x2y2 + -4y2 = 0 The solution to this equation could not be determined.
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