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Simplifying 2x2 + 7 = -4 Reorder the terms: 7 + 2x2 = -4 Solving 7 + 2x2 = -4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 2x2 = -4 + -7 Combine like terms: 7 + -7 = 0 0 + 2x2 = -4 + -7 2x2 = -4 + -7 Combine like terms: -4 + -7 = -11 2x2 = -11 Divide each side by '2'. x2 = -5.5 Simplifying x2 = -5.5 Reorder the terms: 5.5 + x2 = -5.5 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 5.5 + x2 = 0.0 The solution to this equation could not be determined.
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