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Simplifying 2a2 + 2 = -7 Reorder the terms: 2 + 2a2 = -7 Solving 2 + 2a2 = -7 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 = -7 + -2 Combine like terms: 2 + -2 = 0 0 + 2a2 = -7 + -2 2a2 = -7 + -2 Combine like terms: -7 + -2 = -9 2a2 = -9 Divide each side by '2'. a2 = -4.5 Simplifying a2 = -4.5 Reorder the terms: 4.5 + a2 = -4.5 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 4.5 + a2 = 0.0 The solution to this equation could not be determined.
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