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Simplifying (a2) + (b2) = 20 a2 + (b2) = 20 a2 + b2 = 20 Solving a2 + b2 = 20 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1b2' to each side of the equation. a2 + b2 + -1b2 = 20 + -1b2 Combine like terms: b2 + -1b2 = 0 a2 + 0 = 20 + -1b2 a2 = 20 + -1b2 Simplifying a2 = 20 + -1b2 Reorder the terms: -20 + a2 + b2 = 20 + -1b2 + -20 + b2 Reorder the terms: -20 + a2 + b2 = 20 + -20 + -1b2 + b2 Combine like terms: 20 + -20 = 0 -20 + a2 + b2 = 0 + -1b2 + b2 -20 + a2 + b2 = -1b2 + b2 Combine like terms: -1b2 + b2 = 0 -20 + a2 + b2 = 0 The solution to this equation could not be determined.
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