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Simplifying 2a2 + -2 = -20 Reorder the terms: -2 + 2a2 = -20 Solving -2 + 2a2 = -20 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + 2a2 = -20 + 2 Combine like terms: -2 + 2 = 0 0 + 2a2 = -20 + 2 2a2 = -20 + 2 Combine like terms: -20 + 2 = -18 2a2 = -18 Divide each side by '2'. a2 = -9 Simplifying a2 = -9 Reorder the terms: 9 + a2 = -9 + 9 Combine like terms: -9 + 9 = 0 9 + a2 = 0 The solution to this equation could not be determined.
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