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Simplifying 2x2 + 21 = 11 Reorder the terms: 21 + 2x2 = 11 Solving 21 + 2x2 = 11 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + -21 + 2x2 = 11 + -21 Combine like terms: 21 + -21 = 0 0 + 2x2 = 11 + -21 2x2 = 11 + -21 Combine like terms: 11 + -21 = -10 2x2 = -10 Divide each side by '2'. x2 = -5 Simplifying x2 = -5 Reorder the terms: 5 + x2 = -5 + 5 Combine like terms: -5 + 5 = 0 5 + x2 = 0 The solution to this equation could not be determined.
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