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Simplifying 2x2 + 28 = -2x2 Reorder the terms: 28 + 2x2 = -2x2 Solving 28 + 2x2 = -2x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2x2' to each side of the equation. 28 + 2x2 + 2x2 = -2x2 + 2x2 Combine like terms: 2x2 + 2x2 = 4x2 28 + 4x2 = -2x2 + 2x2 Combine like terms: -2x2 + 2x2 = 0 28 + 4x2 = 0 Add '-28' to each side of the equation. 28 + -28 + 4x2 = 0 + -28 Combine like terms: 28 + -28 = 0 0 + 4x2 = 0 + -28 4x2 = 0 + -28 Combine like terms: 0 + -28 = -28 4x2 = -28 Divide each side by '4'. x2 = -7 Simplifying x2 = -7 Reorder the terms: 7 + x2 = -7 + 7 Combine like terms: -7 + 7 = 0 7 + x2 = 0 The solution to this equation could not be determined.
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