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Simplifying x2 + y2 + z2 + -2z = 0 Reorder the terms: x2 + y2 + -2z + z2 = 0 Solving x2 + y2 + -2z + z2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1y2' to each side of the equation. x2 + y2 + -2z + -1y2 + z2 = 0 + -1y2 Reorder the terms: x2 + y2 + -1y2 + -2z + z2 = 0 + -1y2 Combine like terms: y2 + -1y2 = 0 x2 + 0 + -2z + z2 = 0 + -1y2 x2 + -2z + z2 = 0 + -1y2 Remove the zero: x2 + -2z + z2 = -1y2 Add '2z' to each side of the equation. x2 + -2z + 2z + z2 = -1y2 + 2z Combine like terms: -2z + 2z = 0 x2 + 0 + z2 = -1y2 + 2z x2 + z2 = -1y2 + 2z Add '-1z2' to each side of the equation. x2 + z2 + -1z2 = -1y2 + 2z + -1z2 Combine like terms: z2 + -1z2 = 0 x2 + 0 = -1y2 + 2z + -1z2 x2 = -1y2 + 2z + -1z2 Simplifying x2 = -1y2 + 2z + -1z2 Reorder the terms: x2 + y2 + -2z + z2 = -1y2 + y2 + 2z + -2z + -1z2 + z2 Combine like terms: -1y2 + y2 = 0 x2 + y2 + -2z + z2 = 0 + 2z + -2z + -1z2 + z2 x2 + y2 + -2z + z2 = 2z + -2z + -1z2 + z2 Combine like terms: 2z + -2z = 0 x2 + y2 + -2z + z2 = 0 + -1z2 + z2 x2 + y2 + -2z + z2 = -1z2 + z2 Combine like terms: -1z2 + z2 = 0 x2 + y2 + -2z + z2 = 0 The solution to this equation could not be determined.
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