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Simplifying u2 + z2 = 13 Solving u2 + z2 = 13 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-1z2' to each side of the equation. u2 + z2 + -1z2 = 13 + -1z2 Combine like terms: z2 + -1z2 = 0 u2 + 0 = 13 + -1z2 u2 = 13 + -1z2 Simplifying u2 = 13 + -1z2 Reorder the terms: -13 + u2 + z2 = 13 + -1z2 + -13 + z2 Reorder the terms: -13 + u2 + z2 = 13 + -13 + -1z2 + z2 Combine like terms: 13 + -13 = 0 -13 + u2 + z2 = 0 + -1z2 + z2 -13 + u2 + z2 = -1z2 + z2 Combine like terms: -1z2 + z2 = 0 -13 + u2 + z2 = 0 The solution to this equation could not be determined.
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